AMD Radeon HD 8870 OEM vs ATI Radeon HD 2400

VS

AMD Radeon HD 8870 OEM

ATI Radeon HD 2400

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 256MB VRAM ATI Radeon HD 2400 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 4 years and 11 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 7.920GB/s)

1240 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +7900%

2.56 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 8870 OEM

VS

ATI Radeon HD 2400

Graphics Card

Jan 2013

Release Date

Feb 2008

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

495 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

7.920GB/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

32 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

1.592 GPixel/s

80.00 GTexel/s

Texture Rate

1.592 GTexel/s

-

2.560 TFLOPS

FP32 (float)

31.84 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

20W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

RV610

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.18 billion

212 mm²

Die Size

85 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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