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

VS

NVIDIA GeForce RTX 4080 12 GB AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 24GB VRAM Radeon RX 7990 XTX 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

1536 additional rendering cores

Lower TDP (285W vs 405W)

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)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB

40.09 TFLOPS

Radeon RX 7990 XTX +120%

88.45 TFLOPS

GeForce RTX 4080 12 GB

VS

Radeon RX 7990 XTX

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

2500 MHz

2610 MHz

Boost Clock

3599 MHz

1313 MHz

Memory Clock

3000 MHz

Memory

12GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6

192bit

Memory Bus

384bit

504.2GB/s

Bandwidth

1152GB/s

Render Config

60

SM Count

-

Compute Units

96

7680

Shading Units

6144

240

TMUs

384

80

ROPs

192

240

Tensor Cores

-

60

RT Cores

96

128 KB (per SM)

L1 Cache

256 KB per Array

48 MB

L2 Cache

6 MB

Theoretical Performance

208.8 GPixel/s

Pixel Rate

691.0 GPixel/s

626.4 GTexel/s

Texture Rate

1382 GTexel/s

40.09 TFLOPS

FP16 (half)

176.9 TFLOPS

40.09 TFLOPS

FP32 (float)

88.45 TFLOPS

626.4 GFLOPS

FP64 (double)

2.764 TFLOPS

Graphics Processor

AD104

GPU Name

Navi 31

AD104-400-A1

GPU Variant

Navi 31 XTX+

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

405W

600 W

Suggested PSU

800 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

3x 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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