AMD Radeon RX 6400 vs NVIDIA GeForce RTX 4080 16 GB

VS

AMD Radeon RX 6400 NVIDIA GeForce RTX 4080 16 GB

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM GeForce RTX 4080 16 GB 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 320W)

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 8 months late

Boost Clock has increased by 8% (2505MHz vs 2321MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (716.8GB/s vs 128.0GB/s)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

GeForce RTX 4080 16 GB +1267%

48.74 TFLOPS

Radeon RX 6400

VS

GeForce RTX 4080 16 GB

Graphics Card

Jan 2022

Release Date

Sep 2022

Navi II

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

2205 MHz

2321 MHz

Boost Clock

2505 MHz

2000 MHz

Memory Clock

1400 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

716.8GB/s

Render Config

-

SM Count

76

12

Compute Units

-

768

Shading Units

9728

48

TMUs

304

32

ROPs

112

-

Tensor Cores

304

12

RT Cores

76

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

280.6 GPixel/s

111.4 GTexel/s

Texture Rate

761.5 GTexel/s

7.130 TFLOPS

FP16 (half)

48.74 TFLOPS

3.565 TFLOPS

FP32 (float)

48.74 TFLOPS

222.8 GFLOPS

FP64 (double)

761.5 GFLOPS

Graphics Processor

Navi 24

GPU Name

AD103

Navi 24 XL (215-135000046)

GPU Variant

AD103-300-A1

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

6 nm

Process Size

4 nm

5.4 billion

Transistors

45.9 billion

107 mm²

Die Size

379 mm²

Board Design

53W

TDP

320W

250 W

Suggested PSU

700 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

8.9

6.6

Shader Model

6.6

Related GPU Comparisons

1

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1650

2

NVIDIA GeForce GT 1030 vs AMD Radeon RX 6400

3

AMD Radeon RX 580 vs AMD Radeon RX 6400

4

AMD Radeon RX 6400 vs Intel Arc A310

5

AMD Radeon RX 6500 XT vs AMD Radeon RX 6400

6

AMD Radeon RX 6400 vs NVIDIA T400 4 GB

7

AMD Radeon RX 6400 vs AMD Radeon RX 470

8

AMD Radeon RX 6400 vs ATI Radeon HD 4830

9

AMD Radeon RX 6400 vs AMD Radeon RX 7950 XT

10

AMD Radeon RX 6400 vs AMD FireStream 9250