AMD Radeon Pro W6900X vs NVIDIA GeForce RTX 3090

VS

AMD Radeon Pro W6900X

NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Released 11 months late

Boost Clock has increased by 27% (2150MHz vs 1695MHz)

More VRAM (32GB vs 24GB)

Lower TDP (300W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

Larger VRAM bandwidth (936.2GB/s vs 512.0GB/s)

5376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6900X

22.02 TFLOPS

GeForce RTX 3090 +61%

35.58 TFLOPS

Radeon Pro W6900X

VS

GeForce RTX 3090

Graphics Card

Aug 2021

Release Date

Sep 2020

Radeon Pro Mac

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1395 MHz

2150 MHz

Boost Clock

1695 MHz

2000 MHz

Memory Clock

1219 MHz

Memory

32GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

936.2GB/s

Render Config

80

Compute Units

-

SM Count

82

5120

Shading Units

10496

320

TMUs

328

128

ROPs

112

-

Tensor Cores

328

80

RT Cores

82

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

189.8 GPixel/s

688.0 GTexel/s

Texture Rate

556.0 GTexel/s

44.03 TFLOPS

FP16 (half)

35.58 TFLOPS

22.02 TFLOPS

FP32 (float)

35.58 TFLOPS

1376 GFLOPS

FP64 (double)

556.0 GFLOPS

Board Design

300W

TDP

350W

700 W

Suggested PSU

750 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

Navi 21

GPU Name

GA102

Navi 21 Pro-XTA

GPU Variant

GA102-300-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

28.3 billion

520 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.6

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