AMD Radeon RX 6400 vs ATI Radeon HD 4250

VS

AMD Radeon RX 6400

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 4250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 12 years and 11 months late

Boost Clock2321MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 6.336GB/s)

728 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +7327%

3.565 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon RX 6400

VS

Radeon HD 4250

Graphics Card

Jan 2022

Release Date

Feb 2009

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

396 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.336GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

40

48

TMUs

4

32

ROPs

4

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

64 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

2.376 GPixel/s

111.4 GTexel/s

Texture Rate

2.376 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

47.52 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

25W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

RV620

Navi 24 XL (215-135000046)

GPU Variant

RV620 LE

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.181 billion

107 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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