AMD Radeon RX 7900 XT vs ATI Radeon HD 4250

VS

AMD Radeon RX 7900 XT

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT 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 7900 XT 's Advantages

Released 13 years and 9 months late

Boost Clock2394MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 6.336GB/s)

5336 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +107150%

51.48 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 4250

Graphics Card

Nov 2022

Release Date

Feb 2009

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

396 MHz

Memory

20GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

6.336GB/s

Render Config

84

Compute Units

2

-

5376

Shading Units

40

336

TMUs

4

192

ROPs

4

-

84

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

2.376 GPixel/s

804.4 GTexel/s

Texture Rate

2.376 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

47.52 GFLOPS

1.609 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

RV620

Navi 31 XT (215-145000156)

GPU Variant

RV620 LE

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.181 billion

529 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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