AMD Radeon Pro W6900X vs AMD Radeon RX 6800 XT

VS

AMD Radeon Pro W6900X AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X 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 W6900X 's Advantages

Released 10 months late

More VRAM (32GB vs 16GB)

512 additional rendering cores

AMD Radeon RX 6800 XT 's Advantages

Boost Clock has increased by 5% (2250MHz vs 2150MHz)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +6%

22.02 TFLOPS

Radeon RX 6800 XT

20.74 TFLOPS

Blender

Radeon Pro W6900X

1998

Radeon RX 6800 XT +32%

2647

Radeon Pro W6900X

VS

Radeon RX 6800 XT

Graphics Card

Aug 2021

Release Date

Oct 2020

Radeon Pro Mac

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1825 MHz

2150 MHz

Boost Clock

2250 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

80

Compute Units

72

5120

Shading Units

4608

320

TMUs

288

128

ROPs

128

-

Tensor Cores

-

80

RT Cores

72

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

Theoretical Performance

275.2 GPixel/s

Pixel Rate

288.0 GPixel/s

688.0 GTexel/s

Texture Rate

648.0 GTexel/s

44.03 TFLOPS

FP16 (half)

41.47 TFLOPS

22.02 TFLOPS

FP32 (float)

20.74 TFLOPS

1376 GFLOPS

FP64 (double)

1296 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 21

Navi 21 Pro-XTA

GPU Variant

Navi 21 XT (215-121000177)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

26.8 billion

520 mm²

Die Size

520 mm²

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

1x HDMI 2.1 4x Thunderbolt

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.5

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