AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4080 Ti

VS

AMD Radeon RX 7900 XTX

NVIDIA GeForce RTX 4080 Ti

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 16GB VRAM GeForce RTX 4080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (960.0GB/s vs 678.4GB/s)

Lower TDP (355W vs 400W)

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 4% (2610MHz vs 2498MHz)

7936 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX

61.39 TFLOPS

GeForce RTX 4080 Ti +19%

73.5 TFLOPS

Radeon RX 7900 XTX

VS

GeForce RTX 4080 Ti

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

1929 MHz

Base Clock

2340 MHz

2498 MHz

Boost Clock

2610 MHz

2500 MHz

Memory Clock

1325 MHz

Memory

24GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

678.4GB/s

Render Config

96

Compute Units

-

SM Count

110

6144

Shading Units

14080

384

TMUs

440

192

ROPs

144

-

Tensor Cores

440

96

RT Cores

110

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

80 MB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

375.8 GPixel/s

959.2 GTexel/s

Texture Rate

1148 GTexel/s

122.8 TFLOPS

FP16 (half)

73.50 TFLOPS

61.39 TFLOPS

FP32 (float)

73.50 TFLOPS

1.918 TFLOPS

FP64 (double)

1148 GFLOPS

Board Design

355W

TDP

400W

750 W

Suggested PSU

800 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 Processor

Navi 31

GPU Name

AD102

Navi 31 XTX (215-145000146)

GPU Variant

AD102-225-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

6.7

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