AMD Radeon HD 8870 OEM vs ATI Radeon HD 4250

VS

AMD Radeon HD 8870 OEM

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM 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 8870 OEM 's Advantages

Released 3 years and 11 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 6.336GB/s)

1240 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +5233%

2.56 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon HD 8870 OEM

VS

Radeon HD 4250

Graphics Card

Jan 2013

Release Date

Feb 2009

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.336GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.376 GPixel/s

80.00 GTexel/s

Texture Rate

2.376 GTexel/s

-

2.560 TFLOPS

FP32 (float)

47.52 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

25W

450 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 Processor

Pitcairn

GPU Name

RV620

Pitcairn XT (215-0828047)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

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

-

5.1

Shader Model

4.1

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