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AMD Radeon HD 6450 Review | 118 Data compared

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  • Avg. price: ~£9
  • VRAM: 1 GB
  • Memory bus width: 64 bit
  • Thermal Design Power (TDP): 18 W

AMD Radeon HD 6450 review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

3.4

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%

8.7

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%

6.8

Power & Cooling

11.0%

4.6

Platform & Features

5.0%

8.6

Design

4.0%

4.9

Connectivity & Media

Very poor
8.7

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%

8.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.1
(827)
amazon
3.5
(11)
amazon
5.0
(1)
United States
Amazon_logo.png
4.2
(802)
Amazon_logo.png
4.0
(111)
Amazon_logo.png
4.2
(60)
Amazon_logo.png
4.1
(40)

(Reviews last updated: June 2026)

Excellent
  • 6.1
    Gaming

    Score components:

    45.0%

    ?

    Floating-point performance

    25.0%

    1.0

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    10.0%

    6.4

    PCI Express (PCIe) version

  • 5.3
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    1.0

    VRAM

    20.0%

    ?

    Floating-point performance

    15.0%

    6.4

    PCI Express (PCIe) version

  • 6.1
    1080p

    Score components:

    55.0%

    ?

    Floating-point performance

    25.0%

    1.0

    VRAM

    10.0%

    ?

    Ray tracing cores / units

    10.0%

    6.4

    PCI Express (PCIe) version

  • 5.8
    1440p

    Score components:

    50.0%

    ?

    Floating-point performance

    30.0%

    1.0

    VRAM

    15.0%

    ?

    Ray tracing cores / units

    5.0%

    6.4

    PCI Express (PCIe) version

  • 5.5
    4K

    Score components:

    40.0%

    ?

    Floating-point performance

    35.0%

    1.0

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    5.0%

    6.4

    PCI Express (PCIe) version

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Best rankings

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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 6450 is an entry-level graphics card launched in 2011, built on a 40nm process with the Caicos architecture. It features 160 stream processors, a 64-bit memory interface, and typically offers 512MB or 1GB of DDR3 or GDDR5 VRAM. Its core clock speeds range from 625 MHz to 750 MHz, while its ultra-low maximum power draw of 18W–27W makes it ideal for compact systems. Key advantages include its low-profile design, silent passive cooling options, and support for DirectX 11 and up to three displays via HDMI 1.4a, DVI, and VGA. However, its primary drawbacks are its very poor gaming performance and the fact that it is often outperformed by modern integrated graphics solutions.

Technical Specifications of AMD Radeon HD 6450

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%

6.8

Power & Cooling

11.0%

4.6

Platform & Features

5.0%

8.6

Design

4.0%

4.9

Connectivity & Media

2.8
AMD Radeon HD 6450 has a technical score of 2.83 points, which is lower than that of 98.7% 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%

8.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.1
(827)
amazon
3.5
(11)
amazon
5.0
(1)
United States
Amazon_logo.png
4.2
(802)
Amazon_logo.png
4.0
(111)
Amazon_logo.png
4.2
(60)
Amazon_logo.png
4.1
(40)

(Reviews last updated: June 2026)

8.7
AMD Radeon HD 6450 has a user score of 8.73 points, which is higher than that of 73.7% 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.
10
AMD Radeon HD 6450 has a popularity of 10 points, which is higher than 77.9% 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%

3.4

Overall score

40.0%

10

Price

5.4
AMD Radeon HD 6450 has a quality-to-price ratio of 5.4 points, which is lower than 92.1% 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

?
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

198 points
AMD Radeon HD 6450 scores 198 points in PassMark G3D, which is lower than 99.3% of graphics cards.
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

172 points
AMD Radeon HD 6450 scores 172 points in PassMark DirectCompute, which is lower than 98.4% 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

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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 6450 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

GDDR3
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

DDR3
AMD Radeon HD 6450 uses DDR3 memory, which is older than on 98.3% of graphics cards and equal to 0.5% 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

64 bit
AMD Radeon HD 6450 uses a 64 bit memory bus, which is narrower than that of 97.4% of graphics cards and equal to that of 2.6% 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

28.8 GB/s
AMD Radeon HD 6450 reaches 28.8 GB/s memory bandwidth, which is lower than that of 99% of graphics cards and equal to that of 0.2% 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 6450 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 6450 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 6450 supports OpenGL 4.4, which is older than on 98.6% of graphics cards and equal to 0.6% of graphics cards.
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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

2
AMD Radeon HD 6450 supports up to 2 displays, which is fewer than 98.1% of graphics cards and equal to 1.9% 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

?
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

1
AMD Radeon HD 6450 offers 1 DisplayPort outputs, which is fewer than 89.5% of graphics cards and equal to 8.6% of graphics cards.
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 6450 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 6450 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.
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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

18 W
AMD Radeon HD 6450 has a TDP of 18 W, which is lower than that of 99.5% 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

?
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 6450 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

N/A
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

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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 6450 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

104 mm
AMD Radeon HD 6450 is 104 mm tall, which is shorter than 97.2% of graphics cards and equal in height to 0.1% 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

1 slot/s
AMD Radeon HD 6450 occupies 1 slot/s, which is slimmer than 96.6% of graphics cards and equal in width to 3.4% of graphics cards.
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

?
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AMD Radeon HD 6450 vs the average graphics card

  • 91.6% lower TDP
    AMD Radeon HD 6450 has a lower TDP than the average graphics card (18 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 6450 has a lower TDP than the average graphics card (18 W vs 215 W). The average graphics card has a TDP of 215 W.18 W vs 215 W
  • 38.5% lower PSU requirement
    AMD Radeon HD 6450 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 6450 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 6450 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 6450 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
  • 4x larger L2 cache
    AMD Radeon HD 6450 has more L2 cache than the average graphics card (128 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 6450 has more L2 cache than the average graphics card (128 MB vs 32 MB). The average graphics card has 32 MB L2 cache.128 MB vs 32 MB
  • 23 mm lower card height
    AMD Radeon HD 6450 is shorter than the average graphics card (104 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 6450 is shorter than the average graphics card (104 mm vs 127 mm). The average graphics card has a height of 127 mm.104 mm vs 127 mm
  • 1 slot/s slimmer design
    AMD Radeon HD 6450 occupies fewer slots than the average graphics card (1 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    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

    AMD Radeon HD 6450 occupies fewer slots than the average graphics card (1 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.1 slot/s vs 2 slot/s
  • 58.89x cheaper
    AMD Radeon HD 6450 is cheaper than the average graphics card (£9 vs £530).
    AMD Radeon HD 6450 is cheaper than the average graphics card (£9 vs £530).£9 vs £530
  • 1 more DVI outputs
    AMD Radeon HD 6450 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 6450 has more DVI outputs than the average graphics card (1 vs 0). The average graphics card has 0 DVI outputs.1 vs 0
  • 4x larger L2 cache
    AMD Radeon HD 6450 has more L2 cache than the average graphics card (128 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 78% smaller GPU die
    AMD Radeon HD 6450 has a lower GPU die size than the average graphics card (67 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 6450 supports multi-GPU linking, the average graphics card does not.
  • 1 more DVI outputs
    AMD Radeon HD 6450 has more DVI outputs than the average graphics card (1 vs 0). The average graphics card has 0 DVI outputs.
  • 91.6% lower TDP
    AMD Radeon HD 6450 has a lower TDP than the average graphics card (18 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 38.5% lower PSU requirement
    AMD Radeon HD 6450 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.
  • 8 °C lower load temperature
    AMD Radeon HD 6450 has a lower load temperature than the average graphics card (59 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.
  • 117.37 mm shorter card length
    AMD Radeon HD 6450 is shorter than the average graphics card (168 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 23 mm lower card height
    AMD Radeon HD 6450 is shorter than the average graphics card (104 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 1 slot/s slimmer design
    AMD Radeon HD 6450 occupies fewer slots than the average graphics card (1 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.

Total
Overall
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design
  • 38 fewer compute units
    AMD Radeon HD 6450 has fewer compute units than the average graphics card (2 vs 40). The average graphics card has 40 compute units.
  • 67.4% lower base clock speed
    AMD Radeon HD 6450 has a lower base GPU clock than the average graphics card (625 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 176 fewer TMUs
    AMD Radeon HD 6450 has fewer TMUs than the average graphics card (8 vs 184). The average graphics card has 184 TMUs.
  • 98.7% lower texture rate
    AMD Radeon HD 6450 has a lower texture rate than the average graphics card (5 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 98.5% lower pixel rate
    AMD Radeon HD 6450 has a lower pixel rate than the average graphics card (2.5 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 60 fewer ROPs
    AMD Radeon HD 6450 has fewer ROPs than the average graphics card (4 vs 64). The average graphics card has 64 ROPs.
  • 99.1% lower FP32 performance
    AMD Radeon HD 6450 has a lower FP32 performance than the average graphics card (0.2 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 98.3% lower PassMark score
    AMD Radeon HD 6450 has a lower PassMark score than the average graphics card (198 points vs 11,411 points). The average graphics card has a PassMark score of 11,411 points.
  • 96.4% lower compute score
    AMD Radeon HD 6450 has a lower compute score than the average graphics card (172 points vs 4,745 points). The average graphics card has a compute score of 4,745 points.
  • 4,192 fewer FP32 units
    AMD Radeon HD 6450 has fewer FP32 units than the average graphics card (160 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 192 bit narrower memory bus
    AMD Radeon HD 6450 has a narrower memory bus than the average graphics card (64 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • 11 GB less VRAM
    AMD Radeon HD 6450 has fewer VRAM than the average graphics card (1 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 93.6% lower memory bandwidth
    AMD Radeon HD 6450 has a lower memory bandwidth than the average graphics card (28.8 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 71.4% slower VRAM clock
    AMD Radeon HD 6450 has a lower VRAM clock than the average graphics card (500 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 93.8% smaller L1 cache
    AMD Radeon HD 6450 has fewer L1 cache than the average graphics card (8 vs 128). The average graphics card has 128 L1 cache.
  • Older GDDR version
    AMD Radeon HD 6450 uses an older GDDR version than the average graphics card (DDR3 vs GDDR6).
  • 8x larger process node
    AMD Radeon HD 6450 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 6450 supports an older PCIe version than the average graphics card (2.1 vs 4.0).
  • No FSR support
    AMD Radeon HD 6450 does not support FSR, the average graphics card does.
  • 12 older
    AMD Radeon HD 6450 was released earlier than the average graphics card (2,011 vs 2,023).
  • No mesh shaders
    AMD Radeon HD 6450 does not support mesh shaders, the average graphics card does.
  • No DirectStorage support
    AMD Radeon HD 6450 does not support DirectStorage, the average graphics card does.
  • Older OpenCL version
    AMD Radeon HD 6450 supports an older OpenCL version than the average graphics card (1.2 vs 3.0).
  • Older shader model
    AMD Radeon HD 6450 supports an older shader model than the average graphics card (5 vs 6.8).
  • Older OpenGL version
    AMD Radeon HD 6450 supports an older OpenGL version than the average graphics card (4.4 vs 4.6).
  • 98.3% fewer transistors
    AMD Radeon HD 6450 has fewer transistors than the average graphics card (370 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • 2 fewer DisplayPort outputs
    AMD Radeon HD 6450 has fewer DisplayPort outputs than the average graphics card (1 vs 3). The average graphics card has 3 DisplayPort outputs.
  • No AV1 encoding
    AMD Radeon HD 6450 does not support AV1 encoding, the average graphics card does.
  • 2 fewer displays supported
    AMD Radeon HD 6450 supports fewer displays than the average graphics card (2 vs 4). The average graphics card supports 4 displays.
  • No AV1 decoding
    AMD Radeon HD 6450 does not support AV1 decoding, the average graphics card does.
  • No DSC support
    AMD Radeon HD 6450 does not support DSC, the average graphics card does.
  • Older HDMI version
    AMD Radeon HD 6450 supports an older HDMI version than the average graphics card (1.4a vs 2.1).
  • Older DisplayPort version
    AMD Radeon HD 6450 supports an older DisplayPort version than the average graphics card (1.2 vs 1.4a).
  • No VRR support
    AMD Radeon HD 6450 does not support VRR, the average graphics card does.
  • Older HDCP version
    AMD Radeon HD 6450 supports an older HDCP version than the average graphics card (1.2 vs 2.3).
  • 2 fewer monitors per output type
    AMD Radeon HD 6450 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 6450 is not VR ready, while the average graphics card is.
  • 3 fewer fans
    AMD Radeon HD 6450 has fewer fans than the average graphics card (0 vs 3).
  • 15 °C higher idle temperature
    AMD Radeon HD 6450 has a higher idle temperature than the average graphics card (53 °C vs 38 °C). The average graphics card has an idle temperature of 38 °C.
  • No backplate
    AMD Radeon HD 6450 does not include a backplate, the average graphics card does.
  • 192 bit narrower memory bus
    AMD Radeon HD 6450 has a narrower memory bus than the average graphics card (64 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 6450 has a narrower memory bus than the average graphics card (64 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.64 bit vs 256 bit
  • 38 fewer compute units
    AMD Radeon HD 6450 has fewer compute units than the average graphics card (2 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 6450 has fewer compute units than the average graphics card (2 vs 40). The average graphics card has 40 compute units.2 vs 40
  • 8x larger process node
    AMD Radeon HD 6450 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 6450 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
  • 3 fewer fans
    AMD Radeon HD 6450 has fewer fans than the average graphics card (0 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 6450 has fewer fans than the average graphics card (0 vs 3).0 vs 3
  • 11 GB less VRAM
    AMD Radeon HD 6450 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 6450 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
  • 67.4% lower base clock speed
    AMD Radeon HD 6450 has a lower base GPU clock than the average graphics card (625 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 6450 has a lower base GPU clock than the average graphics card (625 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.625 MHz vs 1920 MHz
  • 176 fewer TMUs
    AMD Radeon HD 6450 has fewer TMUs than the average graphics card (8 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 6450 has fewer TMUs than the average graphics card (8 vs 184). The average graphics card has 184 TMUs.8 vs 184
  • 98.7% lower texture rate
    AMD Radeon HD 6450 has a lower texture rate than the average graphics card (5 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 6450 has a lower texture rate than the average graphics card (5 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.5.0 GTexel/s vs 376.8 GTexel/s
Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design

Graphic comparison of AMD Radeon HD 6450 and

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Third-party reviews

United Kingdom
amazon
4.1
827 Reviews
amazon
3.5
11 Reviews
amazon
5.0
1 Reviews
United States
Amazon_logo.png
4.2
802 Reviews
Amazon_logo.png
4.0
111 Reviews
Amazon_logo.png
4.2
60 Reviews
Amazon_logo.png
4.1
40 Reviews

(Reviews last updated: June 2026)

What customers like about AMD Radeon HD 6450?

  • Silent operation (on fanless/passive cooling models)
  • Low power consumption (no external power connectors required)
  • Compact low-profile design fits in small form factor (SFF) cases
  • Supports multi-monitor setups (typically up to three displays)
  • Reliable for HD video playback and Blu-ray 3D decoding
  • Inexpensive upgrade for older systems lacking integrated graphics

What customers dislike about AMD Radeon HD 6450?

  • Poor gaming performance (struggles with most modern 3D titles)
  • Obsolete driver support (last stable updates were years ago)
  • Sluggish performance on modern operating systems like Windows 10/11
  • Limited memory bandwidth (64-bit interface)
  • Outperformed by many modern integrated graphics solutions
  • Some retail versions lack the necessary low-profile bracket in the box

Expert reviews

T
tomshardware.com
07/04/2011
AMD Radeon HD 6450 Review: Caicos Cometh

The AMD Radeon HD 6450, driven by the low-end "Caicos" GPU architecture, targets the sub-$60 entry-level market to provide an updated, feature-rich alternative for home theater PCs (HTPCs). It serves as a direct evolution of the older Radeon HD 5450, doubling the stream processor count to 160 shaders across two SIMD engines. The card is available in both DDR3 and GDDR5 memory...Read more

G
guru3d.com
07/04/2011
Radeon HD 6450 review - Guru3D

The Guru3D review of the Radeon HD 6450 highlights this compact, low-profile graphics card as a specialized solution targeted at the budget and Home Theater PC (HTPC) markets. Built on a 40nm manufacturing process, the card utilizes the "Caicos" graphics core and doubles its compute power over previous-generation entry-level models by packing 160 Stream Processors, 8 texture units,...Read more

K
kitguru.net
07/04/2011
AMD HD6450 Review - KitGuru

The AMD Radeon HD 6450 graphics card is evaluated in this ⁠KitGuru review by Allan 'Zardon' Campbell as an entry-level, DirectX 11 discrete hardware option. The reviewer notes that this tiny, low-profile card is primarily built for small-form-factor media setups and Home Theater PCs (HTPCs) rather than primary gaming rigs. Benchmarked across multiple everyday tasks—including 720p...Read more

T
techpowerup.com
18/04/2011
AMD Radeon HD 6450 512 MB Review - TechPowerUp

The TechPowerUp review of the AMD Radeon HD 6450 (40nm "Caicos" GPU) highlights a compact, low-profile, and energy-efficient (6W idle) card suited for media PCs and budget multi-monitor setups. Pros include native HDMI 1.4a with 3D Blu-ray support, low operating temperatures, and surprising overclocking headroom, making it a capable display adapter for non-gaming tasks. Conversely,...Read more

M
m.hexus.net
19/04/2011
AMD Radeon HD 6450 and HD 6670Go to product viewer dialog for this item. graphics card review - HEXUS

The 2011 AMD Radeon HD 6000 entry-level line-up (HD 6450, HD 6570, and HD 6670) offers minor, incremental upgrades over the older HD 5000 series rather than a major architectural redesign. Built on the same mature 40nm process, these budget-friendly discrete cards target the sub-£80 market to draw users away from weak integrated motherboard graphics. While the top-end HD 6670 (£75)...Read more

T
techpowerup.com
28/06/2011
Sapphire HD 6450 1 GB Passive Review

The TechPowerUp review of the Sapphire HD 6450 Passive highlights its 0 dB, fanless design, making it an ideal choice for HTPCs, along with support for native HDMI 1.4a and high-definition video acceleration. While providing decent overclocking potential and low power usage, the card is severely limited by slow DDR3 memory, which causes it to perform 46% slower at lower resolutions...Read more

U
uk.pcmag.com
27/05/2011
AMD Radeon HD 6450 - Review 2011

The AMD Radeon HD 6450 is a low-cost, budget-tier discrete video card meant primarily for users looking to replace basic integrated graphics in small-form-factor systems like nettops or home theater PCs. Its biggest advantages are that it performs slightly better than standard integrated solutions, fits into a single PCIe slot, and consumes minimal power. It draws a mere 9 watts...Read more

I
impulsegamer.com
19/04/2011
AMD Radeon HD 6450 & 6670 Hardware Review - Impulse Gamer Would you like to see specific gaming benchmarks or overclocking results from these tests? C...

The ⁠Impulse Gamer review evaluates the AMD Radeon HD 6450 and HD 6670, two budget-friendly graphics cards built on 40nm architecture. Tested on a Windows 7 system with an Intel Core i5 processor and 6GB of RAM, both cards demonstrated exceptional clarity, accurate colours, and seamless multi-monitor capabilities via AMD’s EyeFinity technology. The HD 6670 targets budget-conscious...Read more

O
overclockers.com
04/02/2012
Sapphire HD 6450 FleX Edition Review - Overclockers

The Overclockers review highlights the Sapphire HD 6450 FleX Edition as a budget-friendly, passively cooled card designed for HTPC, productivity, and multi-monitor setups, utilizing FleX technology to support three monitors via DVI and HDMI without active adapters. It is praised for being completely silent, maintaining solid temperatures in the mid-60s (°C), and offering...Read more

P
phoronix.com
09/09/2011
AMD Radeon HD 6450 Review TechPowerUp

The Phoronix review of the PowerColor AMD Radeon HD 6450 "Go Green!" edition on Linux highlights a passively cooled, low-profile card with energy-efficient operation, utilizing 9 Watts at idle and 27 Watts under load. Key advantages include its silent aluminum heatsink, which kept the card at 64°C, along with versatile outputs and robust open-source Radeon driver support....Read more

E
eteknix.com
17/06/2011
AMD Radeon 6450 512MB Graphics Card Review

The AMD Radeon HD 6450 (512MB) is reviewed as an ultra-budget, entry-level DirectX 11 graphics card designed for users transitioning away from integrated onboard graphics. Aimed at buyers who cannot afford higher-end models, its technical specifications include an engine clock speed of 625–750 MHz and options for either DDR3 or GDDR5 memory interfaces, yielding a modest 200–240...Read more

E
expertreviews.co.uk
19/04/2011
AMD Radeon HD 6450 review

The AMD Radeon HD 6450 review by Expert Reviews positions this entry-level graphics card as an affordable, ultra-compact component designed primarily for casual gaming and slim media center PCs. Priced at just £34 including VAT, the card features a half-height design, operates quietly, and draws all its required power directly from the PCI Express x16 slot without needing external...Read more

F
forum.planet3dnow.de
15/06/2011
AMD Radeon HD 6450 im Test | Planet 3DNow! Forum

This 2011 review examines the entry-level AMD Radeon HD 6450 graphic card as a low-profile, budget successor to the ATI HD 5450, evaluating its performance across five older games using an AMD Athlon II X4 620 testbench. Synthesised technical specifications reveal that while it maintains a 64-bit memory bus, it doubles the shader count to 160 and leverages GDDR5 memory to increase...Read more

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