AMD Radeon RX 7990 XTX vs NVIDIA GeForce RTX 4090

VS

AMD Radeon RX 7990 XTX

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 24GB VRAM GeForce RTX 4090 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)

Larger VRAM bandwidth (1152GB/s vs 1.01TB/s)

Lower TDP (405W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

10240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +7%

88.45 TFLOPS

GeForce RTX 4090

82.58 TFLOPS

Radeon RX 7990 XTX

VS

GeForce RTX 4090

Graphics Card

Unknown

Release Date

Sep 2022

Navi III

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2500 MHz

Base Clock

2235 MHz

3599 MHz

Boost Clock

2520 MHz

3000 MHz

Memory Clock

1313 MHz

Memory

24GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

384bit

Memory Bus

384bit

1152GB/s

Bandwidth

1.01TB/s

Render Config

96

Compute Units

-

SM Count

128

6144

Shading Units

16384

384

TMUs

512

192

ROPs

176

-

Tensor Cores

512

96

RT Cores

128

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

72 MB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

443.5 GPixel/s

1382 GTexel/s

Texture Rate

1290 GTexel/s

176.9 TFLOPS

FP16 (half)

82.58 TFLOPS

88.45 TFLOPS

FP32 (float)

82.58 TFLOPS

2.764 TFLOPS

FP64 (double)

1290 GFLOPS

Board Design

405W

TDP

450W

800 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.13x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 31

GPU Name

AD102

Navi 31 XTX+

GPU Variant

AD102-300-A1

RDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

76.3 billion

529 mm²

Die Size

609 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

8.9

6.7

Shader Model

6.8

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