AMD Radeon RX 7990 XTX vs AMD Radeon Pro W6800X

VS

AMD Radeon RX 7990 XTX

AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 32GB VRAM Radeon Pro W6800X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 72% (3599MHz vs 2087MHz)

Larger VRAM bandwidth (1152GB/s vs 512.0GB/s)

2304 additional rendering cores

AMD Radeon Pro W6800X 's Advantages

More VRAM (32GB vs 24GB)

Lower TDP (200W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +451%

88.45 TFLOPS

Radeon Pro W6800X

16.03 TFLOPS

Radeon RX 7990 XTX

VS

Radeon Pro W6800X

Graphics Card

Unknown

Release Date

Aug 2021

Navi III

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

Apple MPX

Clock Speeds

2500 MHz

Base Clock

1800 MHz

3599 MHz

Boost Clock

2087 MHz

3000 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

1152GB/s

Bandwidth

512.0GB/s

Render Config

96

Compute Units

60

-

6144

Shading Units

3840

384

TMUs

240

192

ROPs

96

-

96

RT Cores

60

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

192 MB

L3 Cache

128 MB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

200.4 GPixel/s

1382 GTexel/s

Texture Rate

500.9 GTexel/s

176.9 TFLOPS

FP16 (half)

32.06 TFLOPS

88.45 TFLOPS

FP32 (float)

16.03 TFLOPS

2.764 TFLOPS

FP64 (double)

1002 GFLOPS

Board Design

405W

TDP

200W

800 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

3x 8-pin

Power Connectors

Apple MPX

Graphics Processor

Navi 31

GPU Name

Navi 21

Navi 31 XTX+

GPU Variant

Navi 21 Pro-XLA

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

26.8 billion

529 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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