Radeon Pro Vega 20 vs Pro Vega 64

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Aggregate performance score

We've compared Radeon Pro Vega 64 with Radeon Pro Vega 20, including specs and performance data.

Pro Vega 64
2017
16 GB HBM2, 250 Watt
33.55
+144%

Pro Vega 64 outperforms Pro Vega 20 by a whopping 144% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking159376
Place by popularitynot in top-100not in top-100
Power efficiency9.229.45
ArchitectureGCN 5.0 (2017−2020)GCN 5.0 (2017−2020)
GPU code nameVega 10Vega 12
Market segmentWorkstationMobile workstation
Release date27 June 2017 (7 years ago)14 November 2018 (6 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores40961280
Core clock speed1250 MHz815 MHz
Boost clock speed1350 MHz1283 MHz
Number of transistors12,500 millionno data
Manufacturing process technology14 nm14 nm
Power consumption (TDP)250 Watt100 Watt
Texture fill rate345.6102.6
Floating-point processing power11.06 TFLOPS3.284 TFLOPS
ROPs6432
TMUs25680

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datalarge
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length267 mmno data
WidthIGPno data
Supplementary power connectorsNone1x 6-pin + 1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeHBM2HBM2
Maximum RAM amount16 GB4 GB
Memory bus width2048 Bit1024 Bit
Memory clock speed786 MHz740 MHz
Memory bandwidth402.4 GB/s189.4 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)12 (12_1)
Shader Model6.46.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.1.1251.2.131

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pro Vega 64 33.55
+144%
Pro Vega 20 13.76

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Pro Vega 64 12920
+144%
Pro Vega 20 5299

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Pro Vega 64 71257
+166%
Pro Vega 20 26775

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

Pro Vega 64 73720
+174%
Pro Vega 20 26946

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD140−150
+137%
59
−137%
4K95−100
+132%
41
−132%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 21−24
+0%
21−24
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 30−35
+0%
30−35
+0%
Assassin's Creed Valhalla 21−24
+0%
21−24
+0%
Battlefield 5 40−45
+0%
40−45
+0%
Call of Duty: Modern Warfare 27−30
+0%
27−30
+0%
Cyberpunk 2077 21−24
+0%
21−24
+0%
Far Cry 5 30−35
+0%
30−35
+0%
Far Cry New Dawn 51
+0%
51
+0%
Forza Horizon 4 90−95
+0%
90−95
+0%
Hitman 3 24−27
+0%
24−27
+0%
Horizon Zero Dawn 70−75
+0%
70−75
+0%
Metro Exodus 45−50
+0%
45−50
+0%
Red Dead Redemption 2 35−40
+0%
35−40
+0%
Shadow of the Tomb Raider 76
+0%
76
+0%
Watch Dogs: Legion 70−75
+0%
70−75
+0%

Full HD
High Preset

Assassin's Creed Odyssey 30−35
+0%
30−35
+0%
Assassin's Creed Valhalla 21−24
+0%
21−24
+0%
Battlefield 5 40−45
+0%
40−45
+0%
Call of Duty: Modern Warfare 27−30
+0%
27−30
+0%
Cyberpunk 2077 21−24
+0%
21−24
+0%
Far Cry 5 30−35
+0%
30−35
+0%
Far Cry New Dawn 46
+0%
46
+0%
Forza Horizon 4 90−95
+0%
90−95
+0%
Hitman 3 24−27
+0%
24−27
+0%
Horizon Zero Dawn 70−75
+0%
70−75
+0%
Metro Exodus 45−50
+0%
45−50
+0%
Red Dead Redemption 2 35−40
+0%
35−40
+0%
Shadow of the Tomb Raider 45−50
+0%
45−50
+0%
The Witcher 3: Wild Hunt 30−35
+0%
30−35
+0%
Watch Dogs: Legion 70−75
+0%
70−75
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 30−35
+0%
30−35
+0%
Assassin's Creed Valhalla 21−24
+0%
21−24
+0%
Call of Duty: Modern Warfare 27−30
+0%
27−30
+0%
Cyberpunk 2077 21−24
+0%
21−24
+0%
Far Cry 5 30−35
+0%
30−35
+0%
Forza Horizon 4 90−95
+0%
90−95
+0%
Hitman 3 24−27
+0%
24−27
+0%
Horizon Zero Dawn 70−75
+0%
70−75
+0%
Shadow of the Tomb Raider 45−50
+0%
45−50
+0%
The Witcher 3: Wild Hunt 31
+0%
31
+0%
Watch Dogs: Legion 70−75
+0%
70−75
+0%

Full HD
Epic Preset

Red Dead Redemption 2 35−40
+0%
35−40
+0%

1440p
High Preset

Battlefield 5 27−30
+0%
27−30
+0%
Far Cry New Dawn 21−24
+0%
21−24
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 14−16
+0%
14−16
+0%
Assassin's Creed Valhalla 10−11
+0%
10−11
+0%
Call of Duty: Modern Warfare 14−16
+0%
14−16
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 16−18
+0%
16−18
+0%
Forza Horizon 4 70−75
+0%
70−75
+0%
Hitman 3 16−18
+0%
16−18
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 21−24
+0%
21−24
+0%
Shadow of the Tomb Raider 21−24
+0%
21−24
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 85−90
+0%
85−90
+0%

1440p
Epic Preset

Red Dead Redemption 2 21−24
+0%
21−24
+0%

4K
High Preset

Battlefield 5 12−14
+0%
12−14
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 65−70
+0%
65−70
+0%
Metro Exodus 12−14
+0%
12−14
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 8−9
+0%
8−9
+0%
Assassin's Creed Valhalla 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 7−8
+0%
7−8
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Shadow of the Tomb Raider 12−14
+0%
12−14
+0%
Watch Dogs: Legion 5−6
+0%
5−6
+0%

4K
Epic Preset

Red Dead Redemption 2 12−14
+0%
12−14
+0%

This is how Pro Vega 64 and Pro Vega 20 compete in popular games:

  • Pro Vega 64 is 137% faster in 1080p
  • Pro Vega 64 is 132% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 33.55 13.76
Recency 27 June 2017 14 November 2018
Maximum RAM amount 16 GB 4 GB
Power consumption (TDP) 250 Watt 100 Watt

Pro Vega 64 has a 143.8% higher aggregate performance score, and a 300% higher maximum VRAM amount.

Pro Vega 20, on the other hand, has an age advantage of 1 year, and 150% lower power consumption.

The Radeon Pro Vega 64 is our recommended choice as it beats the Radeon Pro Vega 20 in performance tests.

Be aware that Radeon Pro Vega 64 is a workstation card while Radeon Pro Vega 20 is a mobile workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon Pro Vega 64
Radeon Pro Vega 64
AMD Radeon Pro Vega 20
Radeon Pro Vega 20

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.3 19 votes

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4 87 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.