AMD Radeon RX 6900 XT vs AMD Radeon Pro W6800

VS

AMD Radeon RX 6900 XT AMD Radeon Pro W6800

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 32GB VRAM Radeon Pro W6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

1280 additional rendering cores

AMD Radeon Pro W6800 's Advantages

Released 8 months late

Boost Clock has increased by 3% (2320MHz vs 2250MHz)

More VRAM (32GB vs 16GB)

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT +29%

23.04 TFLOPS

Radeon Pro W6800

17.82 TFLOPS

Blender

Radeon RX 6900 XT +45%

2883

Radeon Pro W6800

1980

Radeon RX 6900 XT

VS

Radeon Pro W6800

Graphics Card

Oct 2020

Release Date

Jun 2021

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

2075 MHz

2250 MHz

Boost Clock

2320 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

80

Compute Units

60

5120

Shading Units

3840

320

TMUs

240

128

ROPs

96

-

Tensor Cores

-

80

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

222.7 GPixel/s

720.0 GTexel/s

Texture Rate

556.8 GTexel/s

46.08 TFLOPS

FP16 (half)

35.64 TFLOPS

23.04 TFLOPS

FP32 (float)

17.82 TFLOPS

1440 GFLOPS

FP64 (double)

1114 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 21

Navi 21 XTX (215-121000167)

GPU Variant

-

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

250W

700 W

Suggested PSU

600 W

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

Outputs

6x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 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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