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Sapphire Radeon RX Vega 64 Review | 118 Data compared

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  • Avg. price: ~£110
  • VRAM: 8 GB
  • Memory bus width: 2048 bit
  • Thermal Design Power (TDP): 295 W

Sapphire Radeon RX Vega 64 review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

5.1

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%

5.1

Technical Score

10.0%

?

User score

Good
5.1

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%

4.8

Performance

24.0%

4.2

Memory

12.0%

5.2

Power & Cooling

11.0%

5.9

Platform & Features

5.0%

8.6

Design

4.0%

8.2

Connectivity & Media

Good
?

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%

?

User reviews

30.0%

?

Popularity

  • 4.3
    Gaming

    Score components:

    45.0%

    2.8

    Floating-point performance

    25.0%

    2.8

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    10.0%

    7.6

    PCI Express (PCIe) version

  • 5.0
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    2.8

    VRAM

    20.0%

    2.8

    Floating-point performance

    15.0%

    7.6

    PCI Express (PCIe) version

  • 3.8
    1080p

    Score components:

    55.0%

    2.8

    Floating-point performance

    25.0%

    2.8

    VRAM

    10.0%

    ?

    Ray tracing cores / units

    10.0%

    7.6

    PCI Express (PCIe) version

  • 3.8
    1440p

    Score components:

    50.0%

    2.8

    Floating-point performance

    30.0%

    2.8

    VRAM

    15.0%

    ?

    Ray tracing cores / units

    5.0%

    7.6

    PCI Express (PCIe) version

  • 4.1
    4K

    Score components:

    40.0%

    2.8

    Floating-point performance

    35.0%

    2.8

    VRAM

    20.0%

    ?

    Ray tracing cores / units

    5.0%

    7.6

    PCI Express (PCIe) version

  • No image
No image

Best prices in UK

    N/A~ £110

Best rankings

?

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

Verdict

The Sapphire Radeon RX Vega 64 is an enthusiast-level graphics card based on the 14nm Vega 10 architecture, featuring 4,096 stream processors, 64 compute units, and a 2048-bit memory interface. It is equipped with 8GB of second-generation High Bandwidth Memory (HBM2) clocked at 945 MHz, delivering 484 GB/s of bandwidth, with factory-overclocked boost speeds reaching up to 1611 MHz on the Nitro+ model. Main characteristics include a robust 14-phase digital power design, dual UEFI BIOS for switching between performance and efficiency modes, and Sapphire’s Tri-X cooling system with a vapor chamber and three dual-ball bearing fans. Key pros are its excellent 1440p and 4K gaming performance, high build quality, and significantly improved thermal management over reference designs. However, main cons include extremely high power consumption (often requiring an 850W PSU and three 8-pin connectors), a massive triple-slot form factor, and noticeable fan noise under heavy turbo loads.

Technical Specifications of Sapphire Radeon RX Vega 64

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%

?

Performance

24.0%

?

Memory

12.0%

?

Power & Cooling

11.0%

?

Platform & Features

5.0%

?

Design

4.0%

?

Connectivity & Media

5.1
Sapphire Radeon RX Vega 64 has a technical score of 5.15 points, which is lower than that of 76.3% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
Sapphire Radeon RX Vega 64 has a popularity of 1 points, which is lower than 55.9% 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%

5.1

Overall score

40.0%

9.9

Price

6.6
Sapphire Radeon RX Vega 64 has a quality-to-price ratio of 6.6 points, which is lower than 57.2% 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

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

Importance: LOW

?
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

12.66 TFLOPS
Sapphire Radeon RX Vega 64 delivers 12.66 TFLOPS floating-point performance, which is lower than that of 74% of graphics cards and equal to that of 0.1% of graphics cards.
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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

8 GB
Sapphire Radeon RX Vega 64 has 8 GB of VRAM, which is less than 57.6% of graphics cards and equal to 25.1% 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

HBM2
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

N/A
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

2048 bit
Sapphire Radeon RX Vega 64 uses a 2048 bit memory bus, which is wider than that of 99.5% of graphics cards and equal to that of 0.2% 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

484 GB/s
Sapphire Radeon RX Vega 64 reaches 484 GB/s memory bandwidth, which is higher than that of 52.6% of graphics cards and equal to that of 0.4% 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

3.0
Sapphire Radeon RX Vega 64 supports PCIe 3.0, which is older than on 77.6% of graphics cards and equal to 20.3% 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

?
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

1.3
Sapphire Radeon RX Vega 64 supports Vulkan 1.3, which is older than on 73.5% of graphics cards and equal to 22.5% of graphics cards.
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

4.6
Sapphire Radeon RX Vega 64 supports OpenGL 4.6, which is more advanced than on 4.8% of graphics cards and equal to 95.2% 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

4
Sapphire Radeon RX Vega 64 supports up to 4 displays, which is more than 7.8% of graphics cards and equal to 89.2% 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

3
Sapphire Radeon RX Vega 64 offers 3 DisplayPort outputs, which is more than 20.9% of graphics cards and equal to 77.3% 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

1.4
Sapphire Radeon RX Vega 64 supports DisplayPort 1.4, which is older than on 77.3% of graphics cards and equal to 16.2% 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

?
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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

295 W
Sapphire Radeon RX Vega 64 has a TDP of 295 W, which is higher than that of 71.2% of graphics cards and equal to that of 0.3% 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

295 W
Sapphire Radeon RX Vega 64 draws 295 W under peak load, which is higher than 71% of graphics cards and equal to 0.3% 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

750 W
Sapphire Radeon RX Vega 64 recommends a 750 W PSU, which is higher than that of 62.5% of graphics cards and equal to that of 17.5% 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

?
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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

?
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

112 mm
Sapphire Radeon RX Vega 64 is 112 mm tall, which is shorter than 84.4% of graphics cards and equal in height to 2.8% 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

2 slot/s
Sapphire Radeon RX Vega 64 occupies 2 slot/s, which is slimmer than 49.2% of graphics cards and equal in width to 47.3% 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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Sapphire Radeon RX Vega 64 vs the average graphics card

  • 1,792 bit wider memory bus
    Sapphire Radeon RX Vega 64 has a wider memory bus than the average graphics card (2,048 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

    Sapphire Radeon RX Vega 64 has a wider memory bus than the average graphics card (2,048 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.2048 bit vs 256 bit
  • 24 more compute units
    Sapphire Radeon RX Vega 64 has more compute units than the average graphics card (64 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

    Sapphire Radeon RX Vega 64 has more compute units than the average graphics card (64 vs 40). The average graphics card has 40 compute units.64 vs 40
  • Includes dual BIOS
    Sapphire Radeon RX Vega 64 includes dual BIOS, the average graphics card does not.
    What it is: Includes dual BIOS for redundancy or overclocking profiles
    When it matters: When you want a safer recovery path after tweaking fan curves or overclock settings, or you need separate quiet and performance profiles.

    Importance: LOW

    Sapphire Radeon RX Vega 64 includes dual BIOS, the average graphics card does not.
  • 72 more TMUs
    Sapphire Radeon RX Vega 64 has more TMUs than the average graphics card (256 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

    Sapphire Radeon RX Vega 64 has more TMUs than the average graphics card (256 vs 184). The average graphics card has 184 TMUs.256 vs 184
  • 15 mm lower card height
    Sapphire Radeon RX Vega 64 is shorter than the average graphics card (112 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

    Sapphire Radeon RX Vega 64 is shorter than the average graphics card (112 mm vs 127 mm). The average graphics card has a height of 127 mm.112 mm vs 127 mm
  • 4.82x cheaper
    Sapphire Radeon RX Vega 64 is cheaper than the average graphics card (£110 vs £530).
    Sapphire Radeon RX Vega 64 is cheaper than the average graphics card (£110 vs £530).£110 vs £530
  • Better FP64 ratio
    Sapphire Radeon RX Vega 64 has a better FP64 ratio than the average graphics card (1:16 vs 1:64).
    What it is: Ratio of double-precision (FP64) to single-precision (FP32) performance
    When it matters: When you need to know whether FP64 is merely present or genuinely useful.

    Importance: LOW

    Sapphire Radeon RX Vega 64 has a better FP64 ratio than the average graphics card (1:16 vs 1:64).1:16 vs 1:64
  • 8% higher memory bandwidth
    Sapphire Radeon RX Vega 64 has a higher memory bandwidth than the average graphics card (484 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
    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

    Sapphire Radeon RX Vega 64 has a higher memory bandwidth than the average graphics card (484 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.484 GB/s vs 448 GB/s
  • 24 more compute units
    Sapphire Radeon RX Vega 64 has more compute units than the average graphics card (64 vs 40). The average graphics card has 40 compute units.
  • 72 more TMUs
    Sapphire Radeon RX Vega 64 has more TMUs than the average graphics card (256 vs 184). The average graphics card has 184 TMUs.
  • Better FP64 ratio
    Sapphire Radeon RX Vega 64 has a better FP64 ratio than the average graphics card (1:16 vs 1:64).
  • 1,792 bit wider memory bus
    Sapphire Radeon RX Vega 64 has a wider memory bus than the average graphics card (2,048 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • 8% higher memory bandwidth
    Sapphire Radeon RX Vega 64 has a higher memory bandwidth than the average graphics card (484 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • Supports multi-GPU linking
    Sapphire Radeon RX Vega 64 supports multi-GPU linking, the average graphics card does not.
  • Includes dual BIOS
    Sapphire Radeon RX Vega 64 includes dual BIOS, the average graphics card does not.
  • 15 mm lower card height
    Sapphire Radeon RX Vega 64 is shorter than the average graphics card (112 mm vs 127 mm). The average graphics card has a height of 127 mm.

Total
Overall
Performance
Memory
Platform & Features
Power & Cooling
Design
  • 38.2% lower boost clock speed
    Sapphire Radeon RX Vega 64 has a lower boost GPU clock than the average graphics card (1,546 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 35.1% lower base clock speed
    Sapphire Radeon RX Vega 64 has a lower base GPU clock than the average graphics card (1,247 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 40.1% lower pixel rate
    Sapphire Radeon RX Vega 64 has a lower pixel rate than the average graphics card (98.9 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 44.6% lower FP32 performance
    Sapphire Radeon RX Vega 64 has a lower FP32 performance than the average graphics card (12.7 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 90.1% slower memory speed
    Sapphire Radeon RX Vega 64 has a lower effective memory speed than the average graphics card (1,890 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 4 GB less VRAM
    Sapphire Radeon RX Vega 64 has fewer VRAM than the average graphics card (8 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 46% slower VRAM clock
    Sapphire Radeon RX Vega 64 has a lower VRAM clock than the average graphics card (945 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 87.5% smaller L2 cache
    Sapphire Radeon RX Vega 64 has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 87.5% smaller L1 cache
    Sapphire Radeon RX Vega 64 has fewer L1 cache than the average graphics card (16 vs 128). The average graphics card has 128 L1 cache.
  • 2.8x larger process node
    Sapphire Radeon RX Vega 64 has a higher process node than the average graphics card (14 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • Older PCIe version
    Sapphire Radeon RX Vega 64 supports an older PCIe version than the average graphics card (3 vs 4.0).
  • 6 older
    Sapphire Radeon RX Vega 64 was released earlier than the average graphics card (2,017 vs 2,023).
  • No mesh shaders
    Sapphire Radeon RX Vega 64 does not support mesh shaders, the average graphics card does.
  • Older Vulkan version
    Sapphire Radeon RX Vega 64 supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • No sampler feedback
    Sapphire Radeon RX Vega 64 does not support sampler feedback, the average graphics card does.
  • 62.7% larger GPU die
    Sapphire Radeon RX Vega 64 has a higher GPU die size than the average graphics card (495 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • Older shader model
    Sapphire Radeon RX Vega 64 supports an older shader model than the average graphics card (6.4 vs 6.8).
  • No AV1 encoding
    Sapphire Radeon RX Vega 64 does not support AV1 encoding, the average graphics card does.
  • No AV1 decoding
    Sapphire Radeon RX Vega 64 does not support AV1 decoding, the average graphics card does.
  • No DSC support
    Sapphire Radeon RX Vega 64 does not support DSC, the average graphics card does.
  • Older DisplayPort version
    Sapphire Radeon RX Vega 64 supports an older DisplayPort version than the average graphics card (1.4 vs 1.4a).
  • Older HDMI version
    Sapphire Radeon RX Vega 64 supports an older HDMI version than the average graphics card (2.0b vs 2.1).
  • Older HDCP version
    Sapphire Radeon RX Vega 64 supports an older HDCP version than the average graphics card (2.2 vs 2.3).
  • No fan stop
    Sapphire Radeon RX Vega 64 does not support fan stop, the average graphics card does.
  • 37.2% higher TDP
    Sapphire Radeon RX Vega 64 has a higher TDP than the average graphics card (295 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 15.4% higher PSU requirement
    Sapphire Radeon RX Vega 64 has a higher PSU requirement than the average graphics card (750 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 72.7% higher idle power draw
    Sapphire Radeon RX Vega 64 has a higher idle power draw than the average graphics card (19 W vs 11 W). The average graphics card has an idle power draw of 11 W.
  • 38.2% lower boost clock speed
    Sapphire Radeon RX Vega 64 has a lower boost GPU clock than the average graphics card (1,546 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
    What it is: Maximum boost frequency the GPU can reach under load
    When it matters: When you want a rough idea of peak advertised frequency, while knowing real sustained clocks still depend on cooling and power limits.

    Importance: HIGH

    Sapphire Radeon RX Vega 64 has a lower boost GPU clock than the average graphics card (1,546 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.1546 MHz vs 2500 MHz
  • 2.8x larger process node
    Sapphire Radeon RX Vega 64 has a higher process node than the average graphics card (14 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

    Sapphire Radeon RX Vega 64 has a higher process node than the average graphics card (14 nm vs 5 nm). The average graphics card uses a process node of 5 nm.14 nm vs 5 nm
  • 35.1% lower base clock speed
    Sapphire Radeon RX Vega 64 has a lower base GPU clock than the average graphics card (1,247 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

    Sapphire Radeon RX Vega 64 has a lower base GPU clock than the average graphics card (1,247 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1247 MHz vs 1920 MHz
  • 90.1% slower memory speed
    Sapphire Radeon RX Vega 64 has a lower effective memory speed than the average graphics card (1,890 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
    What it is: Effective memory data rate combining clock and bus width
    When it matters: When you compare how quickly each card can push data through its memory subsystem.

    Importance: MEDIUM

    Sapphire Radeon RX Vega 64 has a lower effective memory speed than the average graphics card (1,890 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.1890 MHz vs 19000 MHz
  • 4 GB less VRAM
    Sapphire Radeon RX Vega 64 has fewer VRAM than the average graphics card (8 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

    Sapphire Radeon RX Vega 64 has fewer VRAM than the average graphics card (8 GB vs 12 GB). The average graphics card has 12 GB VRAM.8 GB vs 12 GB
  • No fan stop
    Sapphire Radeon RX Vega 64 does not support fan stop, the average graphics card does.
    What it is: Fans automatically stop when temperature is low
    When it matters: When the PC spends a lot of time at idle and you care about keeping the desktop quiet during browsing, office work, or video playback.

    Importance: LOW

    Sapphire Radeon RX Vega 64 does not support fan stop, the average graphics card does.No vs yes
  • 40.1% lower pixel rate
    Sapphire Radeon RX Vega 64 has a lower pixel rate than the average graphics card (98.9 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
    What it is: Number of pixels the GPU can render per second
    When it matters: When you play at high resolutions or care about older raster-heavy games.

    Importance: MEDIUM

    Sapphire Radeon RX Vega 64 has a lower pixel rate than the average graphics card (98.9 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.98.94 GPixel/s vs 165.2 GPixel/s
  • No AV1 encoding
    Sapphire Radeon RX Vega 64 does not support AV1 encoding, the average graphics card does.
    What it is: Supports hardware encoding of AV1 video codec
    When it matters: When you stream or export video and want efficient AV1 encoding on the GPU.

    Importance: LOW

    Sapphire Radeon RX Vega 64 does not support AV1 encoding, the average graphics card does.No vs yes
Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling

Graphic comparison of Sapphire Radeon RX Vega 64 and

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Third-party reviews

What customers like about Sapphire Radeon RX Vega 64?

  • Competitive high-end performance similar to the NVIDIA GeForce GTX 1080, especially at 1440p and 4K resolutions.
  • Superior build quality and thermal design on custom models like the Sapphire Nitro+, which features a robust vapor chamber and triple-fan cooling.
  • Significant performance benefits for compute-heavy tasks and professional workloads due to high HBM2 memory bandwidth.
  • Excellent driver support for Linux and features like AMD FreeSync for smooth, tear-free gaming.
  • High potential for performance optimization through undervolting and overclocking (tweaking).
  • Aesthetic appeal with features like illuminated logos and LED load indicators.

What customers dislike about Sapphire Radeon RX Vega 64?

  • Extremely high power consumption, often requiring a high-wattage power supply (750W–1000W recommended).
  • Reference 'blower' models are reported to be excessively loud and prone to thermal throttling under heavy load.
  • Large physical footprint; custom Sapphire cards are often '2.5 slot' designs and very heavy, sometimes requiring the included support bracket.
  • Noticeable coil whine reported by some users, particularly at high frame rates.
  • Requires manual 'undervolting' and tuning to reach its full efficiency and performance potential, making it less 'plug-and-play' than competitors.
  • Runs significantly hotter than contemporary NVIDIA equivalents.

Expert reviews

M
modders-inc.com
01/11/2017
Sapphire RX VEGA 64 Limited Edition Review - Modders Inc KitGuru

The Modders Inc review of the Sapphire RX Vega 64 Limited Edition highlights it as a capable high-end graphic card options, leveraging AMD’s 5th generation GCN architecture and 8GB of HBM2 memory. In real-world performance, the card functions as an excellent choice for 1080p gaming and handles 1440p well. It successfully maintains over 60 FPS in demanding titles like Shadow of War...Read more

P
pcworld.com
15/12/2017
Sapphire Nitro+ Radeon RX 64 Limited Edition review

The Sapphire Nitro+ Radeon RX Vega 64 Limited Edition is a premium, custom-engineered card that successfully resolves the thermal and noise issues of AMD’s reference design, utilizing a massive vapor chamber, triple-fan cooling system, and a factory overclock. It features a robust, thick design with added features like a GPU support bracket, dual BIOS, and dedicated fan headers for...Read more

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eteknix.com
17/12/2017
Sapphire Nitro+ VEGA 64 Graphics Card Review

The Sapphire Nitro+ VEGA 64 is a massive, high-performance graphics card designed to maximize the potential of AMD’s VEGA architecture through custom cooling and factory overclocking. Taking up three expansion slots and measuring significantly longer than the reference design, this hefty GPU relies on an innovative vapor chamber cooling solution. The cooling array features two 92 mm...Read more

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tweaktown.com
17/12/2017
SAPPHIRE Radeon RX Vega 64 NITRO+ Review: 3 x 8-pin PCIe?!

The SAPPHIRE Radeon RX Vega 64 NITRO+ is a highly capable, custom-engineered flagship graphics card that excels at cooling AMD's historically hot Vega 10 architecture. Built with a massive 3-slot design, a custom PCB featuring a 14-phase VDDC, and a unique triple-fan Turbine-X cooler, the card easily handles demanding thermal loads. In testing, the enhanced TRI-X cooling system kept...Read more

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kitguru.net
15/12/2017
Sapphire RX Vega 64 Nitro+ Limited EditionGo to product viewer dialogue for this item. - KitGuru

The KitGuru review evaluates the Sapphire RX Vega 64 Nitro+ Limited Edition, a massive enthusiast aftermarket graphics card designed to improve upon AMD's reference architecture. The review highlights several hardware pros, praising its exceptional engineering, which features a robust 14-phase power delivery design, a premium color-neutral aesthetic with subtle RGB lighting, and an...Read more

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tomshardware.com
15/12/2017
Sapphire Radeon RX Vega 64 Nitro+ Review - Tom's Hardware

The Sapphire Radeon RX Vega 64 Nitro+ is a massive, highly customized graphics card that addresses many of the cooling and noise flaws found in AMD's reference design. Weighing nearly 1.6kg and spanning a 2.5-slot footprint, this premium board features a bespoke PCB, an included support bracket to combat sagging, and three 8-pin power connectors. It features an advanced cooling...Read more

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hexus.net
15/12/2017
Review: Sapphire Radeon RX Vega 64 Nitro+Go to product viewer dialogue for this item.

The Sapphire Radeon RX Vega 64 Nitro+ is a massive, custom-engineered graphics card designed to fix the severe heat and noise issues found in AMD’s original reference design. This 1,604-gram behemoth takes up nearly three expansion slots and spans 310mm in length, requiring an included reinforcing bracket to prevent system sag. To tame the GPU's high power draw, Sapphire utilizes a...Read more

K
kitguru.net
15/12/2017
Sapphire RX Vega 64 Nitro+ Limited Edition

The KitGuru review evaluates the Sapphire RX Vega 64 Nitro+ Limited Edition, a massive 2.5-slot graphics card measuring 31cm long that heavily improves upon AMD’s reference design by maintaining a stable boost clock of around 1570MHz out of the box. In terms of pros, the card is significantly faster than the reference version, delivering at least 8 more frames on average at 1440p...Read more

M
m.hexus.net
15/12/2017
Review: Sapphire Radeon RX Vega 64 Nitro+

The Sapphire Radeon RX Vega 64 Nitro+ is a massive, custom-designed graphics card built to address the severe heat and noise issues plaguing AMD's stock reference design. To achieve this, Sapphire implemented a colossal three-slot, triple-fan cooling system featuring a pair of 95mm outer fans, an 80mm reverse-spinning centre fan, and five extensive heatpipes. The card boosts the...Read more

H
hardwareluxx.de
15/12/2017
Sapphire Radeon RX Vega 64 Nitro+ im Test If you want to read general reviews or comparisons of this GPU architecture, I can look for reference model...

The Sapphire Radeon RX Vega 64 Nitro+ is a massive triple-slot graphics card featuring a robust cooling solution equipped with three axial fans and a specialized structural bracket designed to prevent motherboard PCIe slot sagging due to its immense weight. A standout feature of the card is its dual-BIOS functionality. BIOS 1 maximizes performance with a 264W power limit, enabling...Read more

(Translated)Show original
I
igorslab.de
15/12/2017
Always stay cool: Sapphire RX Vega64 Nitro+ in review

The igor'sLAB review of the Sapphire RX Vega64 Nitro+ highlights a highly engineered custom graphics card that successfully corrects many design shortcomings of AMD's stock reference models. Pros include its phenomenal, monumental cooling solution featuring semi-passive fans and angled vertical fins that dramatically improve airflow and keep temperatures well-regulated even under...Read more

(Translated)Show original
H
hardware.fr
28/12/2017
Sapphire RX Vega56 et RX Vega64 Nitro+ en test

The Sapphire RX Vega 56 and Vega 64 Nitro+ graphics cards are heavily customized, high-performance variants of AMD’s Vega architecture that focus on extreme cooling and power delivery. On the positive side, Sapphire has integrated a premium, robust cooling solution featuring a vapor chamber, eight heat pipes, and a unique triple-fan layout where the middle 80mm fan rotates in...Read more

(Translated)Show original
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elchapuzasinformatico.com
14/08/2017
Review: Sapphire Radeon RX Vega 64 (Actualizada)

The El Chapuzas Informático review of the Sapphire Radeon RX Vega 64 highlights a reference-style card featuring 4,096 Stream Processors, 8 GB of HBM2 memory, and high memory bandwidth of 484 GB/s, with turbo clocks up to 1546 MHz. Pros include this robust architectural design and the 8 GB HBM2 memory, which offers a future-proof configuration for handling high-resolution textures....Read more

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H
hwready.it
15/12/2017
SAPPHIRE NITRO+ Radeon™ RX Vega64 8G HBM2 Limited Edition Recensione Hardware Ready

The HWReady review of the Sapphire Nitro+ Radeon RX Vega 64 8G HBM2 Limited Edition describes a robust, factory-overclocked GPU designed to tame AMD’s Vega 10 architecture. Its standout pros include a massive 2.5-to-3-slot cooling solution, 8GB of HBM2 memory, and integrated Nitro Glow RGB lighting, which keeps the card cool while maintaining high boost clocks. YouTube · Conversely,...Read more

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H
hardware.info
14/02/2018
Sapphire Radeon RX Vega 64 Nitro+ review: kleurrijk edelsteen stroomverbruik

The Sapphire Radeon RX Vega 64 Nitro+ 8GB is reviewed as a premium, highly durable custom graphics card that successfully tames the problematic heat and noise issues of AMD's original reference design. Built on a massive 14nm Vega 10 XT architecture with a factory boost clock of 1611 MHz, it delivers smooth performance well-suited for high-end 1440p (WQHD) gaming. Key pros...Read more

(Translated)Show original

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