AMD Radeon Pro W6800X Duo vs AMD Radeon RX 6900 XT

VS

AMD Radeon Pro W6800X Duo

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 10 months late

More VRAM (32GB vs 16GB)

AMD Radeon RX 6900 XT 's Advantages

Boost Clock has increased by 14% (2250MHz vs 1967MHz)

1280 additional rendering cores

Lower TDP (300W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo

15.11 TFLOPS

Radeon RX 6900 XT +52%

23.04 TFLOPS

Blender

Radeon Pro W6800X Duo

1492

Radeon RX 6900 XT +97%

2948

Radeon Pro W6800X Duo

VS

Radeon RX 6900 XT

Graphics Card

Aug 2021

Release Date

Oct 2020

Radeon Pro Mac

Generation

Navi II

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

1825 MHz

1967 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

60

Compute Units

80

-

3840

Shading Units

5120

240

TMUs

320

96

ROPs

128

-

60

RT Cores

80

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

128 MB

L3 Cache

128 MB

Theoretical Performance

188.8 GPixel/s

Pixel Rate

288.0 GPixel/s

472.1 GTexel/s

Texture Rate

720.0 GTexel/s

30.21 TFLOPS

FP16 (half)

46.08 TFLOPS

15.11 TFLOPS

FP32 (float)

23.04 TFLOPS

944.2 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

400W

TDP

300W

800 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 Processor

Navi 21

GPU Name

Navi 21

Navi 21 Pro-XLA

GPU Variant

Navi 21 XTX (215-121000167)

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

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

-

6.7

Shader Model

6.5

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