AMD Radeon RX 7990 XTX vs NVIDIA GeForce RTX 4080 12 GB

VS

AMD Radeon RX 7990 XTX

NVIDIA GeForce RTX 4080 12 GB

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX 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 7990 XTX 's Advantages

Boost Clock has increased by 38% (3599MHz vs 2610MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (1152GB/s vs 504.2GB/s)

NVIDIA GeForce RTX 4080 12 GB 's Advantages

1536 additional rendering cores

Lower TDP (285W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +120%

88.45 TFLOPS

GeForce RTX 4080 12 GB

40.09 TFLOPS

Radeon RX 7990 XTX

VS

GeForce RTX 4080 12 GB

Graphics Card

Unknown

Release Date

Unknown

Navi III

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2500 MHz

Base Clock

2310 MHz

3599 MHz

Boost Clock

2610 MHz

3000 MHz

Memory Clock

1313 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6X

384bit

Memory Bus

192bit

1152GB/s

Bandwidth

504.2GB/s

Render Config

96

Compute Units

-

SM Count

60

6144

Shading Units

7680

384

TMUs

240

192

ROPs

80

-

Tensor Cores

240

96

RT Cores

60

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

208.8 GPixel/s

1382 GTexel/s

Texture Rate

626.4 GTexel/s

176.9 TFLOPS

FP16 (half)

40.09 TFLOPS

88.45 TFLOPS

FP32 (float)

40.09 TFLOPS

2.764 TFLOPS

FP64 (double)

626.4 GFLOPS

Board Design

405W

TDP

285W

800 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

3x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 31

GPU Name

AD104

Navi 31 XTX+

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

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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