NVIDIA GeForce RTX 4080 12 GB vs AMD Radeon RX 7950 XT

VS

NVIDIA GeForce RTX 4080 12 GB AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB 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 12 GB 's Advantages

2304 additional rendering cores

Lower TDP (285W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 15% (3000MHz vs 2610MHz)

More VRAM (20GB vs 12GB)

Larger VRAM bandwidth (800.0GB/s vs 504.2GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB

40.09 TFLOPS

Radeon RX 7950 XT +60%

64.51 TFLOPS

GeForce RTX 4080 12 GB

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

2310 MHz

Base Clock

2000 MHz

2610 MHz

Boost Clock

3000 MHz

1313 MHz

Memory Clock

2500 MHz

Memory

12GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

192bit

Memory Bus

320bit

504.2GB/s

Bandwidth

800.0GB/s

Render Config

60

SM Count

-

Compute Units

84

7680

Shading Units

5376

240

TMUs

336

80

ROPs

192

240

Tensor Cores

-

60

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

48 MB

L2 Cache

6 MB

Theoretical Performance

208.8 GPixel/s

Pixel Rate

576.0 GPixel/s

626.4 GTexel/s

Texture Rate

1008 GTexel/s

40.09 TFLOPS

FP16 (half)

129.0 TFLOPS

40.09 TFLOPS

FP32 (float)

64.51 TFLOPS

626.4 GFLOPS

FP64 (double)

2.016 TFLOPS

Graphics Processor

AD104

GPU Name

Navi 31

AD104-400-A1

GPU Variant

Navi 31 XT+

Ada Lovelace

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

35.8 billion

Transistors

57.7 billion

295 mm²

Die Size

529 mm²

Board Design

285W

TDP

300W

600 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 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

-

6.6

Shader Model

6.7

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