AMD Radeon HD 7950 Boost vs ATI Radeon HD 4250

VS

AMD Radeon HD 7950 Boost ATI Radeon HD 4250

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost 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 HD 7950 Boost 's Advantages

Released 3 years and 4 months late

Boost Clock925MHz

Larger VRAM bandwidth (240.0GB/s vs 6.336GB/s)

1752 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost +6806%

3.315 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon HD 7950 Boost

VS

Radeon HD 4250

Graphics Card

Jun 2012

Release Date

Feb 2009

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

396 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

6.336GB/s

Render Config

-

SM Count

-

28

Compute Units

2

1792

Shading Units

40

112

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.376 GPixel/s

103.6 GTexel/s

Texture Rate

2.376 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

47.52 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

RV620

Tahiti PRO2 (215-0821282)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.181 billion

352 mm²

Die Size

67 mm²

Board Design

200W

TDP

25W

550 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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