AMD Radeon RX 6400 vs NVIDIA GeForce RTX 5080

VS

AMD Radeon RX 6400 NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Lower TDP (53W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 3 years late

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

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

9984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

GeForce RTX 5080 +1420%

54.19 TFLOPS

Radeon RX 6400

VS

GeForce RTX 5080

Graphics Card

Jan 2022

Release Date

Jan 2025

Navi II

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 5.0 x16

Clock Speeds

1923 MHz

Base Clock

2235 MHz

2321 MHz

Boost Clock

2520 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

84

12

Compute Units

-

768

Shading Units

10752

48

TMUs

336

32

ROPs

128

-

Tensor Cores

336

12

RT Cores

84

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

322.6 GPixel/s

111.4 GTexel/s

Texture Rate

846.7 GTexel/s

7.130 TFLOPS

FP16 (half)

54.19 TFLOPS

3.565 TFLOPS

FP32 (float)

54.19 TFLOPS

222.8 GFLOPS

FP64 (double)

846.7 GFLOPS

Graphics Processor

Navi 24

GPU Name

GB203

Navi 24 XL (215-135000046)

GPU Variant

GB203

RDNA 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

0 nm

5.4 billion

Transistors

Unknown

107 mm²

Die Size

Unknown

Board Design

53W

TDP

350W

250 W

Suggested PSU

750 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

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

9.1

6.6

Shader Model

6.7

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