AMD Radeon Pro W6800X Duo vs AMD Radeon Pro V420

VS

AMD Radeon Pro W6800X Duo

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Boost Clock has increased by 16% (1967MHz vs 1700MHz)

AMD Radeon Pro V420 's Advantages

Larger VRAM bandwidth (819.2GB/s vs 512.0GB/s)

256 additional rendering cores

Lower TDP (300W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +8%

15.11 TFLOPS

AMD Radeon Pro V420

13.93 TFLOPS

Radeon Pro W6800X Duo

VS

AMD Radeon Pro V420

Graphics Card

Aug 2021

Release Date

Unknown

Radeon Pro Mac

Generation

Radeon Pro Vega

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

800 MHz

1967 MHz

Boost Clock

1700 MHz

2000 MHz

Memory Clock

800 MHz

Memory

32GB

Memory Size

32GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

4096bit

512.0GB/s

Bandwidth

819.2GB/s

Render Config

60

Compute Units

64

-

3840

Shading Units

4096

240

TMUs

256

96

ROPs

64

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

4 MB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

108.8 GPixel/s

472.1 GTexel/s

Texture Rate

435.2 GTexel/s

30.21 TFLOPS

FP16 (half)

27.85 TFLOPS

15.11 TFLOPS

FP32 (float)

13.93 TFLOPS

944.2 GFLOPS

FP64 (double)

6.963 TFLOPS

Board Design

400W

TDP

300W

800 W

Suggested PSU

700 W

1x HDMI 2.1 4x Thunderbolt

Outputs

6x mini-DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

Vega 20

Navi 21 Pro-XLA

GPU Variant

Vega 20 GLXT WS (215-0914026)

RDNA 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

13.23 billion

520 mm²

Die Size

331 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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