AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4080 12 GB

VS

AMD Radeon RX 7900 XT NVIDIA GeForce RTX 4080 12 GB

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 12GB VRAM GeForce RTX 4080 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

More VRAM (20GB vs 12GB)

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

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock has increased by 9% (2610MHz vs 2394MHz)

2304 additional rendering cores

Lower TDP (285W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +28%

51.48 TFLOPS

GeForce RTX 4080 12 GB

40.09 TFLOPS

Blender

Radeon RX 7900 XT

4310

GeForce RTX 4080 12 GB +124%

9659

Radeon RX 7900 XT

VS

GeForce RTX 4080 12 GB

Graphics Card

Nov 2022

Release Date

Unknown

Navi III

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1387 MHz

Base Clock

2310 MHz

2394 MHz

Boost Clock

2610 MHz

2500 MHz

Memory Clock

1313 MHz

Memory

20GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6X

320bit

Memory Bus

192bit

800.0GB/s

Bandwidth

504.2GB/s

Render Config

-

SM Count

60

84

Compute Units

-

5376

Shading Units

7680

336

TMUs

240

192

ROPs

80

-

Tensor Cores

240

84

RT Cores

60

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

208.8 GPixel/s

804.4 GTexel/s

Texture Rate

626.4 GTexel/s

103.0 TFLOPS

FP16 (half)

40.09 TFLOPS

51.48 TFLOPS

FP32 (float)

40.09 TFLOPS

1.609 TFLOPS

FP64 (double)

626.4 GFLOPS

Graphics Processor

Navi 31

GPU Name

AD104

Navi 31 XT (215-145000156)

GPU Variant

AD104-400-A1

RDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

57.7 billion

Transistors

35.8 billion

529 mm²

Die Size

295 mm²

Board Design

300W

TDP

285W

700 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

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

6.6

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