NVIDIA GeForce RTX 4090 vs AMD Radeon RX 6400

VS

NVIDIA GeForce RTX 4090 AMD Radeon RX 6400

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 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 4090 's Advantages

Released 8 months late

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

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (1010GB/s vs 128.0GB/s)

15616 additional rendering cores

AMD Radeon RX 6400 's Advantages

Lower TDP (53W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +2216%

82.58 TFLOPS

Radeon RX 6400

3.565 TFLOPS

3DMark Time Spy

GeForce RTX 4090 +920%

36541

Radeon RX 6400

3579

Blender

GeForce RTX 4090 +3875%

12921

Radeon RX 6400

325

Shadow of the Tomb Raider 2160p

GeForce RTX 4090 +2212%

185

Radeon RX 6400

8

Shadow of the Tomb Raider 1440p

GeForce RTX 4090 +1300%

280

Radeon RX 6400

20

Shadow of the Tomb Raider 1080p

GeForce RTX 4090 +768%

304

Radeon RX 6400

35

Cyberpunk 2077 2160p

GeForce RTX 4090 +1075%

94

Radeon RX 6400

8

Cyberpunk 2077 1440p

GeForce RTX 4090 +1581%

185

Radeon RX 6400

11

Cyberpunk 2077 1080p

GeForce RTX 4090 +828%

195

Radeon RX 6400

21

Battlefield 5 2160p

GeForce RTX 4090 +878%

186

Radeon RX 6400

19

Battlefield 5 1440p

GeForce RTX 4090 +463%

203

Radeon RX 6400

36

Battlefield 5 1080p

GeForce RTX 4090 +343%

213

Radeon RX 6400

48

GeForce RTX 4090

VS

Radeon RX 6400

Graphics Card

Sep 2022

Release Date

Jan 2022

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2235 MHz

Base Clock

1923 MHz

2520 MHz

Boost Clock

2321 MHz

1313 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

64bit

1010GB/s

Bandwidth

128.0GB/s

Render Config

128

SM Count

-

Compute Units

12

16384

Shading Units

768

512

TMUs

48

176

ROPs

32

512

Tensor Cores

-

128

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

72 MB

L2 Cache

1024 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

74.27 GPixel/s

1290 GTexel/s

Texture Rate

111.4 GTexel/s

82.58 TFLOPS

FP16 (half)

7.130 TFLOPS

82.58 TFLOPS

FP32 (float)

3.565 TFLOPS

1290 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

AD102

GPU Name

Navi 24

AD102-300-A1

GPU Variant

Navi 24 XL (215-135000046)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

76.3 billion

Transistors

5.4 billion

609 mm²

Die Size

107 mm²

Board Design

450W

TDP

53W

850 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 16-pin

Power Connectors

None

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

-

6.7

Shader Model

6.6

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