AMD Radeon RX 6900 XTX vs AMD Radeon Pro W6800

VS

AMD Radeon RX 6900 XTX

AMD Radeon Pro W6800

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX 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 XTX 's Advantages

Boost Clock has increased by 5% (2435MHz vs 2320MHz)

Larger VRAM bandwidth (576.0GB/s vs 512.0GB/s)

1280 additional rendering cores

AMD Radeon Pro W6800 's Advantages

More VRAM (32GB vs 16GB)

Lower TDP (250W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +39%

24.93 TFLOPS

Radeon Pro W6800

17.82 TFLOPS

Radeon RX 6900 XTX

VS

Radeon Pro W6800

Graphics Card

Unknown

Release Date

Jun 2021

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2075 MHz

Base Clock

2075 MHz

2435 MHz

Boost Clock

2320 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

512.0GB/s

Render Config

80

Compute Units

60

-

5120

Shading Units

3840

320

TMUs

240

128

ROPs

96

-

80

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

128 MB

L3 Cache

128 MB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

222.7 GPixel/s

779.2 GTexel/s

Texture Rate

556.8 GTexel/s

49.87 TFLOPS

FP16 (half)

35.64 TFLOPS

24.93 TFLOPS

FP32 (float)

17.82 TFLOPS

1.558 TFLOPS

FP64 (double)

1114 GFLOPS

Board Design

330W

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 Processor

Navi 21

GPU Name

Navi 21

Navi 21 XTXH (215-121000247)

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

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

-

6.5

Shader Model

6.5

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