NVIDIA GeForce RTX 5080 vs AMD Radeon Pro W6900X

VS

NVIDIA GeForce RTX 5080

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 17% (2520MHz vs 2150MHz)

Larger VRAM bandwidth (973.8GB/s vs 512.0GB/s)

5632 additional rendering cores

AMD Radeon Pro W6900X 's Advantages

More VRAM (32GB vs 16GB)

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +146%

54.19 TFLOPS

Radeon Pro W6900X

22.02 TFLOPS

GeForce RTX 5080

VS

Radeon Pro W6900X

Graphics Card

Jan 2025

Release Date

Aug 2021

GeForce 50

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1825 MHz

2520 MHz

Boost Clock

2150 MHz

2400 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

32GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

256bit

973.8GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

80

84

SM Count

-

10752

Shading Units

5120

336

TMUs

320

128

ROPs

128

336

Tensor Cores

-

84

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

275.2 GPixel/s

846.7 GTexel/s

Texture Rate

688.0 GTexel/s

54.19 TFLOPS

FP16 (half)

44.03 TFLOPS

54.19 TFLOPS

FP32 (float)

22.02 TFLOPS

846.7 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 16-pin

Power Connectors

None

Graphics Processor

GB203

GPU Name

Navi 21

GB203-400-A1

GPU Variant

Navi 21 Pro-XTA

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

0

Process Size

7 nm

Unknown

Transistors

26.8 billion

377 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

10.1

CUDA

-

6.8

Shader Model

6.5

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