AMD Radeon RX 7990 XTX vs NVIDIA GeForce RTX 5080

VS

AMD Radeon RX 7990 XTX

NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 16GB VRAM GeForce RTX 5080 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 43% (3599MHz vs 2520MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1152GB/s vs 973.8GB/s)

NVIDIA GeForce RTX 5080 's Advantages

4608 additional rendering cores

Lower TDP (350W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +63%

88.45 TFLOPS

GeForce RTX 5080

54.19 TFLOPS

Radeon RX 7990 XTX

VS

GeForce RTX 5080

Graphics Card

Unknown

Release Date

Jan 2025

Navi III

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

2500 MHz

Base Clock

2235 MHz

3599 MHz

Boost Clock

2520 MHz

3000 MHz

Memory Clock

2400 MHz

Memory

24GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

384bit

Memory Bus

256bit

1152GB/s

Bandwidth

973.8GB/s

Render Config

96

Compute Units

-

SM Count

84

6144

Shading Units

10752

384

TMUs

336

192

ROPs

128

-

Tensor Cores

336

96

RT Cores

84

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

64 MB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

322.6 GPixel/s

1382 GTexel/s

Texture Rate

846.7 GTexel/s

176.9 TFLOPS

FP16 (half)

54.19 TFLOPS

88.45 TFLOPS

FP32 (float)

54.19 TFLOPS

2.764 TFLOPS

FP64 (double)

846.7 GFLOPS

Board Design

405W

TDP

350W

800 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

3x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 31

GPU Name

GB203

Navi 31 XTX+

GPU Variant

GB203-400-A1

RDNA 3.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

0

57.7 billion

Transistors

Unknown

529 mm²

Die Size

377 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

10.1

6.7

Shader Model

6.8

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