AMD Steam Deck GPU vs AMD Radeon RX 6400

VS

We compared a Game console GPU: 16GB VRAM Steam Deck GPU and a Desktop platform GPU: 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Steam Deck GPU 's Advantages

More VRAM (16GB vs 4GB)

Lower TDP (15W vs 53W)

AMD Radeon RX 6400 's Advantages

Boost Clock has increased by 45% (2321MHz vs 1600MHz)

Larger VRAM bandwidth (128.0GB/s vs 88.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Steam Deck GPU

1.638 TFLOPS

Radeon RX 6400 +117%

3.565 TFLOPS

Steam Deck GPU

VS

Radeon RX 6400

Graphics Card

Feb 2022

Release Date

Jan 2022

Console GPU

Generation

Navi II

Game console

Type

Desktop

-

Bus Interface

PCIe 4.0 x4

Clock Speeds

1000 MHz

Base Clock

1923 MHz

1600 MHz

Boost Clock

2321 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

4GB

LPDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

8

Compute Units

12

512

Shading Units

768

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

8

RT Cores

12

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

74.27 GPixel/s

51.20 GTexel/s

Texture Rate

111.4 GTexel/s

3.277 TFLOPS

FP16 (half)

7.130 TFLOPS

1.638 TFLOPS

FP32 (float)

3.565 TFLOPS

102.4 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

Van Gogh

GPU Name

Navi 24

100-000000405

GPU Variant

Navi 24 XL (215-135000046)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

2.4 billion

Transistors

5.4 billion

163 mm²

Die Size

107 mm²

Board Design

15W

TDP

53W

-

Suggested PSU

250 W

1x USB Type-C

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.6

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