NVIDIA GeForce RTX 4080 vs AMD Radeon RX 7950 XT

VS

NVIDIA GeForce RTX 4080

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 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 4080 's Advantages

4352 additional rendering cores

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 20% (3000MHz vs 2505MHz)

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (800.0GB/s vs 716.8GB/s)

Lower TDP (300W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080

48.74 TFLOPS

Radeon RX 7950 XT +32%

64.51 TFLOPS

GeForce RTX 4080

VS

Radeon RX 7950 XT

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2205 MHz

Base Clock

2000 MHz

2505 MHz

Boost Clock

3000 MHz

1400 MHz

Memory Clock

2500 MHz

Memory

16GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

256bit

Memory Bus

320bit

716.8GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

76

SM Count

-

9728

Shading Units

5376

304

TMUs

336

112

ROPs

192

304

Tensor Cores

-

76

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

64 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

576.0 GPixel/s

761.5 GTexel/s

Texture Rate

1008 GTexel/s

48.74 TFLOPS

FP16 (half)

129.0 TFLOPS

48.74 TFLOPS

FP32 (float)

64.51 TFLOPS

761.5 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

320W

TDP

300W

700 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

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD103

GPU Name

Navi 31

AD103-300-A1

GPU Variant

Navi 31 XT+

Ada Lovelace

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

45.9 billion

Transistors

57.7 billion

379 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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