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AMD Radeon HD 6670 Review | 118 Data compared

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  • Avg. price in UK: ~£25
  • Avg. price in US: ~$30
  • VRAM: 1 GB
  • Memory bus width: 128 bit
  • Thermal Design Power (TDP): 66 W

AMD Radeon HD 6670 review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

3.3

Overall score

What it is: An overall evaluation of the graphics card's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best graphics cards on the market.

Score components:

90.0%

2.8

Technical Score

10.0%

7.5

User score

Poor
2.8

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

1.3

Performance

24.0%

1.4

Memory

12.0%

7.2

Power & Cooling

11.0%

4.6

Platform & Features

5.0%

7.2

Design

4.0%

5.0

Connectivity & Media

Very poor
7.5

User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

8.3

User reviews

30.0%

5.7

Popularity

User score:
United Kingdom
amazon
4.0
(61)
amazon
4.5
(17)
amazon
5.0
(4)
amazon
4.0
(1)
United States
Amazon_logo.png
4.1
(61)
Amazon_logo.png
4.5
(18)
Amazon_logo.png
5.0
(4)
Amazon_logo.png
4.0
(3)

(Reviews last updated: June 2026)

Very good
  • 7.0
    Gaming

    Score components:

    45.0%

    10

    Floating-point performance

    25.0%

    1.0

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    10.0%

    6.4

    PCI Express (PCIe) version

  • 5.7
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    1.0

    VRAM

    20.0%

    10

    Floating-point performance

    15.0%

    6.4

    PCI Express (PCIe) version

  • 7.2
    1080p

    Score components:

    55.0%

    10

    Floating-point performance

    25.0%

    1.0

    VRAM

    10.0%

    ?

    Ray tracing cores / units

    10.0%

    6.4

    PCI Express (PCIe) version

  • 6.8
    1440p

    Score components:

    50.0%

    10

    Floating-point performance

    30.0%

    1.0

    VRAM

    15.0%

    ?

    Ray tracing cores / units

    5.0%

    6.4

    PCI Express (PCIe) version

  • 6.3
    4K

    Score components:

    40.0%

    10

    Floating-point performance

    35.0%

    1.0

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    5.0%

    6.4

    PCI Express (PCIe) version

  • amd-radeon-hd-6670
amd-radeon-hd-6670

Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The AMD Radeon HD 6670 is a budget-friendly graphics card released in 2011 based on the 40nm 'Turks' architecture, featuring 480 shading units, 24 texture mapping units, 8 ROPs, and an 800 MHz core clock speed. It typically comes with 1GB of GDDR5 or GDDR3 memory on a 128-bit interface, delivering up to 64 GB/s of bandwidth and 768 GFLOPS of compute power while supporting DirectX 11.2 and OpenGL 4.4. Its main advantages include a very low 66W TDP that requires no external power connectors, a compact single-slot design suitable for media centers (HTPCs), and native support for up to three displays via Eyefinity. However, its primary drawbacks are its outdated performance for modern gaming, lack of support for current drivers which ended in 2016, and limited 1GB VRAM capacity that struggles with contemporary high-resolution textures.

Technical Specifications of AMD Radeon HD 6670

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

1.3

Performance

24.0%

1.4

Memory

12.0%

7.2

Power & Cooling

11.0%

4.6

Platform & Features

5.0%

7.2

Design

4.0%

5.0

Connectivity & Media

2.8
AMD Radeon HD 6670 has a technical score of 2.83 points, which is lower than that of 98.6% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

8.3

User reviews

30.0%

5.7

Popularity

User score:
United Kingdom
amazon
4.0
(61)
amazon
4.5
(17)
amazon
5.0
(4)
amazon
4.0
(1)
United States
Amazon_logo.png
4.1
(61)
Amazon_logo.png
4.5
(18)
Amazon_logo.png
5.0
(4)
Amazon_logo.png
4.0
(3)

(Reviews last updated: June 2026)

7.5
AMD Radeon HD 6670 has a user score of 7.51 points, which is lower than that of 83.3% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the graphics card.
When it matters: When you prefer a graphics card that has already been chosen and reviewed by many other users.
5.7
AMD Radeon HD 6670 has a popularity of 5.7 points, which is higher than 64.3% of products in this category.
Ratio quality/price

What it is: An indicator that combines the graphics card's overall rating with its cost.

When it matters: When you are looking for a graphics card that offers a strong balance of performance, features, and price.

Score components:

60.0%

3.3

Overall score

40.0%

10

Price

5.3
AMD Radeon HD 6670 has a quality-to-price ratio of 5.3 points, which is lower than 93.8% of products in this category.
3DMark Time Spy benchmark score
What it is: Benchmark result from 3DMark Time Spy, a synthetic DirectX 12 test often used as a quick gaming-performance reference.
When it matters: When you need a fast rough performance sort before digging into game-specific reviews and frame-rate data.

Importance: LOW

N/A
3DMark Port Royal score
What it is: Benchmark result from 3DMark Port Royal, a synthetic test focused on ray tracing performance.
When it matters: When ray tracing matters in the games you actually play and you want one quick way to separate stronger and weaker RT cards.

Importance: LOW

N/A
PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

?
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

501 points
AMD Radeon HD 6670 scores 501 points in PassMark DirectCompute, which is lower than 94.1% of graphics cards.
Floating-point performance
What it is: Theoretical floating-point compute performance of the GPU.
When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

Importance: LOW

768 TFLOPS
AMD Radeon HD 6670 delivers 768 TFLOPS floating-point performance, which is higher than that of 99.8% of graphics cards.
Show more
VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

1 GB
AMD Radeon HD 6670 has 1 GB of VRAM, which is less than 98.5% of graphics cards and equal to 1.5% of graphics cards.
Memory type
What it is: Type of graphics memory used (GDDR6, HBM2e, etc.)
When it matters: When memory technology is part of the buying decision because it affects bandwidth class, power use, and product positioning.

Importance: LOW

GDDR5
GDDR version
What it is: Generation of GDDR memory used by the graphics card.
When it matters: When you want to separate older memory generations from newer ones before comparing bandwidth, power behavior, and market tier.

Importance: LOW

GDDR5
AMD Radeon HD 6670 uses GDDR5 memory, which is older than on 85% of graphics cards and equal to 13.2% of graphics cards.
Memory bus width
What it is: Width of the memory interface bus in bits
When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

Importance: HIGH

128 bit
AMD Radeon HD 6670 uses a 128 bit memory bus, which is narrower than that of 69.8% of graphics cards and equal to that of 26.1% of graphics cards.
Maximum memory bandwidth
What it is: Maximum data transfer rate between GPU and its memory
When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

Importance: HIGH

64 GB/s
AMD Radeon HD 6670 reaches 64 GB/s memory bandwidth, which is lower than that of 97.9% of graphics cards and equal to that of 0.1% of graphics cards.
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PCI Express (PCIe) version
What it is: Version of PCI Express interface supported
When it matters: When you are pairing the card with an older motherboard and want to avoid leaving bandwidth or future compatibility on the table.

Importance: LOW

2.1
AMD Radeon HD 6670 supports PCIe 2.1, which is older than on 97.9% of graphics cards and equal to 0.4% of graphics cards.
PCIe lanes
What it is: Number of PCI Express lanes used for communication
When it matters: When limited lane width could bottleneck the card in some systems.

Importance: LOW

x16
AMD Radeon HD 6670 uses x16 PCIe lanes, which is more than 31.5% of graphics cards and equal to 68.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

?
Vulkan version
What it is: Highest supported Vulkan API version
When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

Importance: LOW

N/A
OpenGL version
What it is: Highest supported OpenGL API version
When it matters: When older games or pro apps still depend on OpenGL compatibility.

Importance: LOW

4.4
AMD Radeon HD 6670 supports OpenGL 4.4, which is older than on 98.6% of graphics cards and equal to 0.6% of graphics cards.
Show more
Max displays supported
What it is: Total number of external displays supported simultaneously
When it matters: When you run a multi-monitor desk for sim racing, trading, or editing.

Importance: LOW

3
AMD Radeon HD 6670 supports up to 3 displays, which is fewer than 92.3% of graphics cards and equal to 5.8% of graphics cards.
Max digital resolution
What it is: Maximum supported digital display resolution
When it matters: When you plan to drive 4K or 8K panels at their native resolution.

Importance: LOW

2560x1600
AMD Radeon HD 6670 supports a maximum digital resolution of 2560x1600, which is lower than that of 59.2% of graphics cards and equal to that of 1.1% of graphics cards.
DisplayPort outputs
What it is: Number of DisplayPort video outputs
When it matters: When your setup needs several high-refresh monitors without adapters.

Importance: LOW

?
DisplayPort version
What it is: Version of DisplayPort standard supported
When it matters: When your monitor setup depends on newer DisplayPort features for higher refresh rates, higher resolution, or better cable flexibility.

Importance: LOW

1.2
AMD Radeon HD 6670 supports DisplayPort 1.2, which is older than on 93.6% of graphics cards and equal to 4.8% of graphics cards.
DisplayPort link rates
What it is: Supported data link rates for DisplayPort connections
When it matters: When you are pushing high resolution and refresh rate over DisplayPort.

Importance: LOW

2.7 Gbps
AMD Radeon HD 6670 supports DisplayPort link rates up to 2.7 Gbps, which is slower than on 99.1% of graphics cards and equal to 0.8% of graphics cards.
Show more
Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

66 W
AMD Radeon HD 6670 has a TDP of 66 W, which is lower than that of 95.1% of graphics cards and equal to that of 0.1% of graphics cards.
Power consumption while under peak load
What it is: Peak power draw of the graphics card under maximum load.
When it matters: When transient-heavy gaming loads could stress your power supply.

Importance: LOW

66 W
AMD Radeon HD 6670 draws 66 W under peak load, which is lower than 95.2% of graphics cards and equal to 0.1% of graphics cards.
Recommended PSU wattage
What it is: Recommended wattage of the system power supply
When it matters: When you are checking whether your current power supply is enough.

Importance: LOW

400 W
AMD Radeon HD 6670 recommends a 400 W PSU, which is lower than that of 91.7% of graphics cards and equal to that of 2.5% of graphics cards.
Board power limit
What it is: Maximum configurable power limit for the GPU board
When it matters: When you care about how far the card can be pushed through tuning or factory power settings.

Importance: LOW

?
PCIe power spec
What it is: PCIe power delivery specification followed
When it matters: When you are checking whether the slot and external cables match the card's intended power-delivery standard.

Importance: LOW

?
Show more
Size
What it is: Physical size of the GPU card
When it matters: When you need the card to fit a compact case without blocking nearby hardware.

Importance: LOW

?
Length
What it is: Physical length of the GPU card
When it matters: When front radiators or drive cages leave only limited GPU clearance.

Importance: LOW

168 mm
AMD Radeon HD 6670 is 168 mm long, which is shorter than 95.8% of graphics cards and equal in length to 1% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

111 mm
AMD Radeon HD 6670 is 111 mm tall, which is shorter than 89.6% of graphics cards and equal in height to 5.6% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

?
Weight
What it is: Total weight of the graphics card
When it matters: When sag, bracket support, or shipping stress matters in your build.

Importance: LOW

?
Show more

AMD Radeon HD 6670 vs the average graphics card

  • 69.3% lower TDP
    AMD Radeon HD 6670 has a lower TDP than the average graphics card (66 W vs 215 W). The average graphics card has a TDP of 215 W.
    What it is: Typical power consumption under full load (TDP)
    When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

    Importance: MEDIUM

    AMD Radeon HD 6670 has a lower TDP than the average graphics card (66 W vs 215 W). The average graphics card has a TDP of 215 W.66 W vs 215 W
  • 38.5% lower PSU requirement
    AMD Radeon HD 6670 has a lower PSU requirement than the average graphics card (400 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
    What it is: Recommended wattage of the system power supply
    When it matters: When you are checking whether your current power supply is enough.

    Importance: LOW

    AMD Radeon HD 6670 has a lower PSU requirement than the average graphics card (400 W vs 650 W). The average graphics card has a PSU requirement of 650 W.400 W vs 650 W
  • 117.37 mm shorter card length
    AMD Radeon HD 6670 is shorter than the average graphics card (168 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
    What it is: Physical length of the GPU card
    When it matters: When front radiators or drive cages leave only limited GPU clearance.

    Importance: LOW

    AMD Radeon HD 6670 is shorter than the average graphics card (168 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.168 mm vs 285.37 mm
  • 8x larger L2 cache
    AMD Radeon HD 6670 has more L2 cache than the average graphics card (256 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
    What it is: Total size of the GPU’s L2 cache memory
    When it matters: When cache size can help the GPU feed data faster in demanding scenes.

    Importance: LOW

    AMD Radeon HD 6670 has more L2 cache than the average graphics card (256 MB vs 32 MB). The average graphics card has 32 MB L2 cache.256 MB vs 32 MB
  • 16 mm lower card height
    AMD Radeon HD 6670 is shorter than the average graphics card (111 mm vs 127 mm). The average graphics card has a height of 127 mm.
    What it is: Physical height of the GPU card
    When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

    Importance: LOW

    AMD Radeon HD 6670 is shorter than the average graphics card (111 mm vs 127 mm). The average graphics card has a height of 127 mm.111 mm vs 127 mm
  • 21.2x cheaper
    AMD Radeon HD 6670 is cheaper than the average graphics card (£25 vs £530).
    AMD Radeon HD 6670 is cheaper than the average graphics card (£25 vs £530).£25 vs £530
  • 1 more DVI outputs
    AMD Radeon HD 6670 has more DVI outputs than the average graphics card (1 vs 0). The average graphics card has 0 DVI outputs.
    What it is: Number of DVI display outputs available
    When it matters: When you still use an older monitor that depends on DVI.

    Importance: LOW

    AMD Radeon HD 6670 has more DVI outputs than the average graphics card (1 vs 0). The average graphics card has 0 DVI outputs.1 vs 0
  • 33.24x higher compute throughput
    AMD Radeon HD 6670 has a higher compute throughput than the average graphics card (768 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
    What it is: Theoretical floating-point compute performance of the GPU.
    When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

    Importance: LOW

    AMD Radeon HD 6670 has a higher compute throughput than the average graphics card (768 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.768 TFLOPS vs 23.105 TFLOPS
  • 33.24x higher compute throughput
    AMD Radeon HD 6670 has a higher compute throughput than the average graphics card (768 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 8x larger L2 cache
    AMD Radeon HD 6670 has more L2 cache than the average graphics card (256 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 61.2% smaller GPU die
    AMD Radeon HD 6670 has a lower GPU die size than the average graphics card (118 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • Supports multi-GPU linking
    AMD Radeon HD 6670 supports multi-GPU linking, the average graphics card does not.
  • 1 more DVI outputs
    AMD Radeon HD 6670 has more DVI outputs than the average graphics card (1 vs 0). The average graphics card has 0 DVI outputs.
  • 69.3% lower TDP
    AMD Radeon HD 6670 has a lower TDP than the average graphics card (66 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 38.5% lower PSU requirement
    AMD Radeon HD 6670 has a lower PSU requirement than the average graphics card (400 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 70% lower peak power draw
    AMD Radeon HD 6670 has a lower peak power draw than the average graphics card (66 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 117.37 mm shorter card length
    AMD Radeon HD 6670 is shorter than the average graphics card (168 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 16 mm lower card height
    AMD Radeon HD 6670 is shorter than the average graphics card (111 mm vs 127 mm). The average graphics card has a height of 127 mm.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design
  • 34 fewer compute units
    AMD Radeon HD 6670 has fewer compute units than the average graphics card (6 vs 40). The average graphics card has 40 compute units.
  • 58.3% lower base clock speed
    AMD Radeon HD 6670 has a lower base GPU clock than the average graphics card (800 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 160 fewer TMUs
    AMD Radeon HD 6670 has fewer TMUs than the average graphics card (24 vs 184). The average graphics card has 184 TMUs.
  • 94.9% lower texture rate
    AMD Radeon HD 6670 has a lower texture rate than the average graphics card (19.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 96.1% lower pixel rate
    AMD Radeon HD 6670 has a lower pixel rate than the average graphics card (6.4 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 56 fewer ROPs
    AMD Radeon HD 6670 has fewer ROPs than the average graphics card (8 vs 64). The average graphics card has 64 ROPs.
  • 96.6% lower FP32 performance
    AMD Radeon HD 6670 has a lower FP32 performance than the average graphics card (0.8 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 89.4% lower compute score
    AMD Radeon HD 6670 has a lower compute score than the average graphics card (501 points vs 4,745 points). The average graphics card has a compute score of 4,745 points.
  • 3,872 fewer FP32 units
    AMD Radeon HD 6670 has fewer FP32 units than the average graphics card (480 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 128 bit narrower memory bus
    AMD Radeon HD 6670 has a narrower memory bus than the average graphics card (128 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • 11 GB less VRAM
    AMD Radeon HD 6670 has fewer VRAM than the average graphics card (1 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 85.7% lower memory bandwidth
    AMD Radeon HD 6670 has a lower memory bandwidth than the average graphics card (64 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 78.9% slower memory speed
    AMD Radeon HD 6670 has a lower effective memory speed than the average graphics card (4,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 42.9% slower VRAM clock
    AMD Radeon HD 6670 has a lower VRAM clock than the average graphics card (1,000 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 93.8% smaller L1 cache
    AMD Radeon HD 6670 has fewer L1 cache than the average graphics card (8 vs 128). The average graphics card has 128 L1 cache.
  • 8x larger process node
    AMD Radeon HD 6670 has a higher process node than the average graphics card (40 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • Older PCIe version
    AMD Radeon HD 6670 supports an older PCIe version than the average graphics card (2.1 vs 4.0).
  • No FSR support
    AMD Radeon HD 6670 does not support FSR, the average graphics card does.
  • 12 older
    AMD Radeon HD 6670 was released earlier than the average graphics card (2,011 vs 2,023).
  • No mesh shaders
    AMD Radeon HD 6670 does not support mesh shaders, the average graphics card does.
  • No DirectStorage support
    AMD Radeon HD 6670 does not support DirectStorage, the average graphics card does.
  • Older OpenCL version
    AMD Radeon HD 6670 supports an older OpenCL version than the average graphics card (1.2 vs 3.0).
  • Older shader model
    AMD Radeon HD 6670 supports an older shader model than the average graphics card (5 vs 6.8).
  • Older OpenGL version
    AMD Radeon HD 6670 supports an older OpenGL version than the average graphics card (4.4 vs 4.6).
  • 96.7% fewer transistors
    AMD Radeon HD 6670 has fewer transistors than the average graphics card (716 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • No AV1 encoding
    AMD Radeon HD 6670 does not support AV1 encoding, the average graphics card does.
  • 1 fewer displays supported
    AMD Radeon HD 6670 supports fewer displays than the average graphics card (3 vs 4). The average graphics card supports 4 displays.
  • No AV1 decoding
    AMD Radeon HD 6670 does not support AV1 decoding, the average graphics card does.
  • Older HDMI version
    AMD Radeon HD 6670 supports an older HDMI version than the average graphics card (1.4a vs 2.1).
  • Older DisplayPort version
    AMD Radeon HD 6670 supports an older DisplayPort version than the average graphics card (1.2 vs 1.4a).
  • No VRR support
    AMD Radeon HD 6670 does not support VRR, the average graphics card does.
  • Older HDCP version
    AMD Radeon HD 6670 supports an older HDCP version than the average graphics card (1.2 vs 2.3).
  • 2 fewer monitors per output type
    AMD Radeon HD 6670 supports fewer monitors per output type than the average graphics card (2 vs 4). The average graphics card supports 4 monitors per output type.
  • Not VR ready
    AMD Radeon HD 6670 is not VR ready, while the average graphics card is.
  • Lower display resolution
    AMD Radeon HD 6670 supports a lower maximum digital resolution than the average graphics card (2560x1600 vs 7680x4320). The average graphics card supports a maximum digital resolution of 7680x4320.
  • 2 fewer fans
    AMD Radeon HD 6670 has fewer fans than the average graphics card (1 vs 3).
  • No fan stop
    AMD Radeon HD 6670 does not support fan stop, the average graphics card does.
  • No backplate
    AMD Radeon HD 6670 does not include a backplate, the average graphics card does.
  • 128 bit narrower memory bus
    AMD Radeon HD 6670 has a narrower memory bus than the average graphics card (128 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
    What it is: Width of the memory interface bus in bits
    When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

    Importance: HIGH

    AMD Radeon HD 6670 has a narrower memory bus than the average graphics card (128 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.128 bit vs 256 bit
  • 8x larger process node
    AMD Radeon HD 6670 has a higher process node than the average graphics card (40 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
    What it is: Size of the manufacturing process in nanometers
    When it matters: When process node differences may affect power, heat, and overall efficiency.

    Importance: MEDIUM

    AMD Radeon HD 6670 has a higher process node than the average graphics card (40 nm vs 5 nm). The average graphics card uses a process node of 5 nm.40 nm vs 5 nm
  • 34 fewer compute units
    AMD Radeon HD 6670 has fewer compute units than the average graphics card (6 vs 40). The average graphics card has 40 compute units.
    What it is: Total number of shader multiprocessors or compute units
    When it matters: When you want a better sense of the GPU's overall parallel hardware resources before relying on game benchmarks alone.

    Importance: HIGH

    AMD Radeon HD 6670 has fewer compute units than the average graphics card (6 vs 40). The average graphics card has 40 compute units.6 vs 40
  • 11 GB less VRAM
    AMD Radeon HD 6670 has fewer VRAM than the average graphics card (1 GB vs 12 GB). The average graphics card has 12 GB VRAM.
    What it is: Total video memory available on the graphics card
    When it matters: When you play at high settings, use texture mods, or work with large creative projects.

    Importance: HIGH

    AMD Radeon HD 6670 has fewer VRAM than the average graphics card (1 GB vs 12 GB). The average graphics card has 12 GB VRAM.1 GB vs 12 GB
  • 2 fewer fans
    AMD Radeon HD 6670 has fewer fans than the average graphics card (1 vs 3).
    What it is: Total number of cooling fans
    When it matters: When you compare cooler designs and want one more clue about thermal potential.

    Importance: MEDIUM

    AMD Radeon HD 6670 has fewer fans than the average graphics card (1 vs 3).1 vs 3
  • 58.3% lower base clock speed
    AMD Radeon HD 6670 has a lower base GPU clock than the average graphics card (800 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
    What it is: Base operating frequency of the GPU core under standard conditions
    When it matters: When you want to understand the card's guaranteed starting frequency instead of looking only at optimistic boost figures.

    Importance: HIGH

    AMD Radeon HD 6670 has a lower base GPU clock than the average graphics card (800 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.800 MHz vs 1920 MHz
  • 160 fewer TMUs
    AMD Radeon HD 6670 has fewer TMUs than the average graphics card (24 vs 184). The average graphics card has 184 TMUs.
    What it is: Total count of texture mapping units on the GPU
    When it matters: When texture-heavy gaming performance matters and you want extra hardware context behind texture-rate claims.

    Importance: HIGH

    AMD Radeon HD 6670 has fewer TMUs than the average graphics card (24 vs 184). The average graphics card has 184 TMUs.24 vs 184
  • 94.9% lower texture rate
    AMD Radeon HD 6670 has a lower texture rate than the average graphics card (19.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
    What it is: Number of textured pixels the GPU can process per second
    When it matters: When fast texture handling matters in high-refresh gaming workloads.

    Importance: HIGH

    AMD Radeon HD 6670 has a lower texture rate than the average graphics card (19.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.19.2 GTexel/s vs 376.8 GTexel/s
Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design

Graphic comparison of AMD Radeon HD 6670 and

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Third-party reviews

United Kingdom
amazon
4.0
61 Reviews
amazon
4.5
17 Reviews
amazon
5.0
4 Reviews
amazon
4.0
1 Reviews
United States
Amazon_logo.png
4.1
61 Reviews
Amazon_logo.png
4.5
18 Reviews
Amazon_logo.png
5.0
4 Reviews
Amazon_logo.png
4.0
3 Reviews

(Reviews last updated: June 2026)

What customers like about AMD Radeon HD 6670?

  • Excellent performance per watt with very low power consumption
  • Does not require an external 6-pin power connector, drawing all power from the PCIe slot
  • Maintains low operating temperatures even under load
  • Capable of running older titles and some less-demanding modern games at lower resolutions
  • Supports up to three displays natively via AMD Eyefinity technology
  • Small form factor makes it ideal for HTPCs and compact office builds
  • Integrated HDMI 1.4a with 7.1 channel audio support

What customers dislike about AMD Radeon HD 6670?

  • Struggles with modern gaming and higher resolutions like 1080p
  • Official driver support ended in 2016, leading to compatibility issues with newer software
  • Performance is significantly lower on models using DDR3 memory instead of GDDR5
  • Many retail versions use a dual-slot cooler that can block adjacent PCIe slots
  • Limited DirectX 11 performance; the card often lacks the raw power to utilize DX11 features effectively
  • Lacks support for proprietary technologies like NVIDIA CUDA or PhysX
  • Fan noise can be high on certain third-party models despite low temperatures

Expert reviews

U
uk.pcmag.com
12/07/2011
AMD Radeon HD 6670 - Review 2011 If you need any specific benchmark details (such as frame rates in games like Crysis or Metro 2033) or power consumpt...

The AMD Radeon HD 6670 ($99 list) is a budget-friendly, entry-level graphics card designed for casual 3D gaming without a hefty price tag. A major pro of this card is its excellent energy efficiency; it features a Thermal Design Power (TDP) of just 66 watts and draws only 12 watts when idle. This low power consumption means it draws sufficient juice directly from the PCIe x16 slot,...Read more

E
expertreviews.co.uk
19/04/2011
AMD Radeon HD 6670 review

The Expert Reviews analysis of the AMD Radeon HD 6670 highlights it as a capable budget graphics card priced at £77 inc VAT, positioned directly between the lower-end HD 6450 and the higher-tier HD 6790. Replacing the older HD 5670, this hardware upgrade features 1GB of GDDR5 RAM, an 800MHz clock speed, and 480 stream processors. In real-world performance benchmarks, the card...Read more

K
kitguru.net
19/04/2011
AMD Radeon HD 6670 Graphics Card Review

The KitGuru review of the AMD Radeon HD 6670 highlights it as a budget-oriented graphics card designed to improve a system's multimedia capabilities and handle casual gaming. Built to bridge the gap for budget users who previously relied on the older HD 5000 series, the card features 716 million transistors, 480 stream processors, and 1,024 MB of GDDR5 memory on an 800 MHz core...Read more

G
guru3d.com
18/04/2011
Radeon HD 6670 review - Product showcase Radeon HD 6670

The Guru3D Radeon HD 6670 Review highlights this entry-level graphics card as a highly capable and budget-friendly product designed to capture a massive mainstream and HTPC (Home Theatre PC) market segment. Built on a 40nm process, the card packs 716 million transistors, 480 Stream Processors, 24 texturing units, and a core clock speed of 800 MHz. Equipped with 512MB or 1GB of fast...Read more

T
techpowerup.com
25/05/2011
PowerColor HD 6670 1 GB Review Would you like me to find benchmark results for specific games or compare this model to another card from that era? Cop...

The TechPowerUp review of the PowerColor Radeon HD 6670 1 GB highlights a budget-friendly, 40 nm "Turks" GPU that delivers solid DirectX 11 performance with excellent energy efficiency, requiring no external PCIe power connectors. Pros include strong performance-per-watt, solid overclocking headroom (910 MHz core/1220 MHz memory), and full-size display outputs (HDMI, DVI, VGA)....Read more

G
geeks3d.com
16/05/2011
(Tested) ASUS Radeon HD 6670Go to product viewer dialog for this item. Review

The ASUS Radeon HD 6670 is an entry-level, mainstream graphics card based on AMD's 40nm Turks XT GPU, entering the market at a highly affordable price point of $100. This specific variant stands out by coming factory-overclocked at 880MHz (up from the 800MHz reference speed) paired with 1024MB of GDDR5 memory operating at an effective speed of 4000MHz. The card is fully compliant...Read more

T
techradar.com
04/05/2011
Sapphire AMD Radeon HD 6670 review

The TechRadar review evaluates the Sapphire AMD Radeon HD 6670 as a highly capable, sub-£100 budget entry into the DirectX 11 market. Priced at just £76, it targets mainstream gamers seeking high utility without dropping a month's wages on top-tier behemoths. Performance benchmarks reveal its core strengths, specifically its ability to comfortably outperform its predecessor, the...Read more

H
hothardware.com
19/04/2011
AMD Radeon HD 6670 and 6570 Mainstream GPUs

The AMD Radeon HD 6670 and 6570 are budget-friendly, mainstream graphics cards built on a 40nm process with 716 million transistors, 480 stream processors, and a 128-bit memory interface. The higher-end HD 6670 features an 800MHz engine clock and GDDR5 memory to deliver a 6.4 GPixels/s pixel fillrate and 64GB/s of memory bandwidth. Meanwhile, the lower-tier HD 6570 operates at a...Read more

T
tomshardware.com
18/04/2011
AMD Radeon HD 6670 And 6570: Turkeys Or Turkish Delights?

The AMD Radeon HD 6570 and 6670 graphics cards, based on the 40 nm "Turks" GPU architecture, serve as subtle, evolutionary upgrades to the older HD 5570 and 5670 models. By scaling down the Barts architecture to six SIMD engines, both cards feature an increased count of 480 stream processors (ALUs) and 24 texture units, while maintaining a 128-bit memory interface. The HD 6570...Read more

T
techpowerup.com
18/04/2011
AMD Radeon HD 6670 1 GB Review

The TechPowerUp review of the AMD Radeon HD 6670 (40 nm "Turks" GPU) describes it as a capable sub-$100 card that provides a solid performance boost over the HD 5670 for gaming up to 1280x1024. Key strengths include exceptional power efficiency, low operating temperatures, DirectX 11 support, and good overclocking potential using fast 5 GHz GDDR5 memory. However, the review notes...Read more

P
pcper.com
20/04/2011
AMD Radeon HD 6670 and HD 6570 Graphics Card Review

The AMD Radeon HD 6670 and HD 6570 are sub-$100, budget-oriented graphics cards designed on the 40nm "Turks" architecture to offer an affordable upgrade over integrated graphics. Built with 716 million transistors and 480 stream processors, these cards target a smooth 30 FPS gaming experience at 1080p for mainstream titles like Call of Duty: Black Ops and Metro 2033. A major...Read more

G
guru3d.com
18/04/2011
Radeon HD 6670 review

The Guru3D review of the AMD Radeon HD 6670 highlights it as a solid entry-level graphics card tailored for the budget-conscious consumer and HTPC builders. Built on a 40nm process with a Turks XT core architecture, the GPU operates at a 800 MHz core clock and features 480 stream processors, 24 texture units, and a 128-bit memory interface. Reviewer Hilbert Hagedoorn emphasizes that...Read more

0
01net.com
31/05/2011
Test Radeon HD 6670 : à l'aise aussi bien dans le bureau que dans le salon

The 01net review highlights the AMD Radeon HD 6670 as a versatile, budget-friendly (€85) graphics card suitable for office and Home Theatre PC (HTPC) use, featuring 66W power efficiency with no external connector required. It excels in casual gaming and multimedia, though it suffers from a poorly adjusted fan profile that produces unnecessary noise. Conversely, the card is...Read more

(Translated)Show original
M
madboxpc.com
14/06/2011
Review AMD Radeon HD 6670

The MadBoxPC review identifies the AMD Radeon HD 6670 as an excellent, budget-oriented, entry-level card based on the 40nm "Turks" architecture with 480 stream processors and 1GB of GDDR5. Key advantages include high efficiency with a 66W TDP that operates without external power, low operating temperatures, quiet performance, and robust HTPC capabilities via native DirectX 11...Read more

(Translated)Show original
P
punto-informatico.it
20/07/2011
Sapphire Radeon HD 6670 Ultimate, raffreddamento silenzioso

The Sapphire Radeon HD 6670 Ultimate is a passive, fanless graphics card powered by the AMD Turks GPU, designed primarily for quiet home theater PCs (HTPCs) and office setups. Built with 480 Stream Processors, 1GB of GDDR5 memory, and a 128-bit bus, it offers the exact same clock speeds and performance as its actively cooled counterpart. Its standout features include a heavy-duty...Read more

(Translated)Show original
H
hardware.info
19/04/2011
AMD Radeon HD 6670 review - Benchmarks

The AMD Radeon HD 6670, based on the Turks GPU architecture, was designed as a budget-friendly entry-level card featuring 480 stream processors, a core clock of 800 MHz, and 1GB of GDDR5 memory on a 128-bit interface. During testing on a system equipped with an Intel Core i7 965 and 6GB of RAM, the card was evaluated across various DirectX 10, 10.1, and 11 titles, including Metro...Read more

(Translated)Show original

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