AMD Radeon Pro V420 vs AMD Radeon RX 6800 XT

VS

AMD Radeon Pro V420

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V420 's Advantages

More VRAM (32GB vs 16GB)

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

AMD Radeon RX 6800 XT 's Advantages

Boost Clock has increased by 32% (2250MHz vs 1700MHz)

512 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420

13.93 TFLOPS

Radeon RX 6800 XT +48%

20.74 TFLOPS

AMD Radeon Pro V420

VS

Radeon RX 6800 XT

Graphics Card

Unknown

Release Date

Oct 2020

Radeon Pro Vega

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

800 MHz

Base Clock

1825 MHz

1700 MHz

Boost Clock

2250 MHz

800 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

256bit

819.2GB/s

Bandwidth

512.0GB/s

Render Config

64

Compute Units

72

-

4096

Shading Units

4608

256

TMUs

288

64

ROPs

128

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

108.8 GPixel/s

Pixel Rate

288.0 GPixel/s

435.2 GTexel/s

Texture Rate

648.0 GTexel/s

27.85 TFLOPS

FP16 (half)

41.47 TFLOPS

13.93 TFLOPS

FP32 (float)

20.74 TFLOPS

6.963 TFLOPS

FP64 (double)

1296 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

6x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Vega 20

GPU Name

Navi 21

Vega 20 GLXT WS (215-0914026)

GPU Variant

Navi 21 XT (215-121000177)

GCN 5.1

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

13.23 billion

Transistors

26.8 billion

331 mm²

Die Size

520 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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