AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon RX 7900 XTX NVIDIA GeForce RTX 4080 Max-Q

We compared a Desktop platform GPU: 24GB VRAM Radeon RX 7900 XTX and a Mobile platform GPU: 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Boost Clock has increased by 85% (2498MHz vs 1350MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (960.0GB/s vs 336.0GB/s)

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

1280 additional rendering cores

Lower TDP (60W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +206%

61.39 TFLOPS

GeForce RTX 4080 Max Q

20.04 TFLOPS

Radeon RX 7900 XTX

VS

GeForce RTX 4080 Max Q

Graphics Card

Nov 2022

Release Date

Jan 2023

Navi III

Generation

GeForce 40 Mobile

Desktop

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1929 MHz

Base Clock

795 MHz

2498 MHz

Boost Clock

1350 MHz

2500 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

960.0GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

58

96

Compute Units

-

6144

Shading Units

7424

384

TMUs

232

192

ROPs

80

-

Tensor Cores

232

96

RT Cores

58

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

108.0 GPixel/s

959.2 GTexel/s

Texture Rate

313.2 GTexel/s

122.8 TFLOPS

FP16 (half)

20.04 TFLOPS

61.39 TFLOPS

FP32 (float)

20.04 TFLOPS

1.918 TFLOPS

FP64 (double)

313.2 GFLOPS

Graphics Processor

Navi 31

GPU Name

AD104

Navi 31 XTX (215-145000146)

GPU Variant

GN21-X9

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

355W

TDP

60W

750 W

Suggested PSU

-

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

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

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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