AMD Radeon RX 6600 vs ATI Radeon HD 4250

VS

AMD Radeon RX 6600

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 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 6600 's Advantages

Released 12 years and 8 months late

Boost Clock2491MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 6.336GB/s)

1752 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +18500%

8.928 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon RX 6600

VS

Radeon HD 4250

Graphics Card

Oct 2021

Release Date

Feb 2009

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

396 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

6.336GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

64

ROPs

4

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

64 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

2.376 GPixel/s

279.0 GTexel/s

Texture Rate

2.376 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

47.52 GFLOPS

558.0 GFLOPS

FP64 (double)

-

Board Design

132W

TDP

25W

300 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

RV620

Navi 23 XL (215-130000016)

GPU Variant

RV620 LE

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.181 billion

237 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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