NVIDIA GeForce RTX 4090 Ti vs AMD Radeon RX 6400

VS

NVIDIA GeForce RTX 4090 Ti

AMD Radeon RX 6400

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

Boost Clock has increased by 11% (2565MHz vs 2321MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (1152GB/s vs 128.0GB/s)

17408 additional rendering cores

AMD Radeon RX 6400 's Advantages

Lower TDP (53W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +2515%

93.24 TFLOPS

Radeon RX 6400

3.565 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon RX 6400

Graphics Card

Unknown

Release Date

Jan 2022

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2325 MHz

Base Clock

1923 MHz

2565 MHz

Boost Clock

2321 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

64bit

1152GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

142

SM Count

-

18176

Shading Units

768

568

TMUs

48

192

ROPs

32

568

Tensor Cores

-

142

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

96 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

492.5 GPixel/s

Pixel Rate

74.27 GPixel/s

1457 GTexel/s

Texture Rate

111.4 GTexel/s

93.24 TFLOPS

FP16 (half)

7.130 TFLOPS

93.24 TFLOPS

FP32 (float)

3.565 TFLOPS

1457 GFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

600W

TDP

53W

1000 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

2x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

Navi 24

AD102-400-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

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

6.7

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