NVIDIA GeForce RTX 4090 Ti vs AMD Radeon RX 7950 XT

VS

NVIDIA GeForce RTX 4090 Ti

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Ti 's Advantages

More VRAM (24GB vs 20GB)

Larger VRAM bandwidth (1152GB/s vs 800.0GB/s)

12800 additional rendering cores

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 17% (3000MHz vs 2565MHz)

Lower TDP (300W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +44%

93.24 TFLOPS

Radeon RX 7950 XT

64.51 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon RX 7950 XT

Graphics Card

Unknown

Release Date

Unknown

GeForce 40

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2325 MHz

Base Clock

2000 MHz

2565 MHz

Boost Clock

3000 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

24GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

320bit

1152GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

142

SM Count

-

18176

Shading Units

5376

568

TMUs

336

192

ROPs

192

568

Tensor Cores

-

142

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

96 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

492.5 GPixel/s

Pixel Rate

576.0 GPixel/s

1457 GTexel/s

Texture Rate

1008 GTexel/s

93.24 TFLOPS

FP16 (half)

129.0 TFLOPS

93.24 TFLOPS

FP32 (float)

64.51 TFLOPS

1457 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

600W

TDP

300W

1000 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

2x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD102

GPU Name

Navi 31

AD102-400-A1

GPU Variant

Navi 31 XT+

Ada Lovelace

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

76.3 billion

Transistors

57.7 billion

609 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.7

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