AMD Radeon RX 7900 GRE vs AMD Radeon Pro W6800X

VS

AMD Radeon RX 7900 GRE AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 7900 GRE 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 8% (2245MHz vs 2087MHz)

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

1280 additional rendering cores

AMD Radeon Pro W6800X 's Advantages

More VRAM (32GB vs 16GB)

Lower TDP (200W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +186%

45.98 TFLOPS

Radeon Pro W6800X

16.03 TFLOPS

Radeon RX 7900 GRE

VS

Radeon Pro W6800X

Graphics Card

Jul 2023

Release Date

Aug 2021

Navi III

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

Apple MPX

Clock Speeds

1287 MHz

Base Clock

1800 MHz

2245 MHz

Boost Clock

2087 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

-

SM Count

-

80

Compute Units

60

5120

Shading Units

3840

320

TMUs

240

160

ROPs

96

-

Tensor Cores

-

80

RT Cores

60

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

200.4 GPixel/s

718.4 GTexel/s

Texture Rate

500.9 GTexel/s

91.96 TFLOPS

FP16 (half)

32.06 TFLOPS

45.98 TFLOPS

FP32 (float)

16.03 TFLOPS

1437 GFLOPS

FP64 (double)

1002 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 21

Navi 31 XL

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

Board Design

260W

TDP

200W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

Apple MPX

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

-

CUDA

-

6.7

Shader Model

6.7

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