AMD Radeon HD 8870 OEM vs ATI Radeon HD 2400 XT

VS

AMD Radeon HD 8870 OEM ATI Radeon HD 2400 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 256MB VRAM ATI Radeon HD 2400 XT 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 5 years and 7 months late

Larger VRAM bandwidth (153.6GB/s vs 8.000GB/s)

1240 additional rendering cores

ATI Radeon HD 2400 XT 's Advantages

Lower TDP (25W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +4823%

2.56 TFLOPS

ATI Radeon HD 2400 XT

0.052 TFLOPS

Radeon HD 8870 OEM

VS

ATI Radeon HD 2400 XT

Graphics Card

Jan 2013

Release Date

Jun 2007

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.600 GPixel/s

80.00 GTexel/s

Texture Rate

2.600 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

52.00 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

RV610

Pitcairn XT (215-0828047)

GPU Variant

RV610 PRO (215LKCAKA14FG)

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

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 Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.0

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