NVIDIA GeForce RTX 5090 vs AMD Radeon RX 6400

VS

NVIDIA GeForce RTX 5090

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages

Released 3 years late

Boost Clock has increased by 9% (2520MHz vs 2321MHz)

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (1.52TB/s vs 128.0GB/s)

20992 additional rendering cores

AMD Radeon RX 6400 's Advantages

Lower TDP (53W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +2977%

109.7 TFLOPS

Radeon RX 6400

3.565 TFLOPS

GeForce RTX 5090

VS

Radeon RX 6400

Graphics Card

Jan 2025

Release Date

Jan 2022

GeForce 50

Generation

Navi II

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2235 MHz

Base Clock

1923 MHz

2520 MHz

Boost Clock

2321 MHz

1875 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

4GB

GDDR7

Memory Type

GDDR6

512bit

Memory Bus

64bit

1.52TB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

170

SM Count

-

21760

Shading Units

768

680

TMUs

48

192

ROPs

32

680

Tensor Cores

-

170

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

88 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

483.8 GPixel/s

Pixel Rate

74.27 GPixel/s

1714 GTexel/s

Texture Rate

111.4 GTexel/s

109.7 TFLOPS

FP16 (half)

7.130 TFLOPS

109.7 TFLOPS

FP32 (float)

3.565 TFLOPS

1.714 TFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

500W

TDP

53W

900 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 16-pin

Power Connectors

None

Graphics Processor

GB202

GPU Name

Navi 24

GB202-400-A1

GPU Variant

Navi 24 XL (215-135000046)

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

6 nm

Unknown

Transistors

5.4 billion

Unknown

Die Size

107 mm²

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

10.1

CUDA

-

6.8

Shader Model

6.7

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