AMD Radeon HD 8870 OEM vs ATI Radeon HD 5470

VS

AMD Radeon HD 8870 OEM ATI Radeon HD 5470

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM Radeon HD 5470 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 11 months late

Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)

1200 additional rendering cores

ATI Radeon HD 5470 's Advantages

Lower TDP (19W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +2361%

2.56 TFLOPS

Radeon HD 5470

0.104 TFLOPS

Radeon HD 8870 OEM

VS

Radeon HD 5470

Graphics Card

Jan 2013

Release Date

Feb 2012

Sea Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.600 GPixel/s

80.00 GTexel/s

Texture Rate

5.200 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

104.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

Cedar

Pitcairn XT (215-0828047)

GPU Variant

Cedar PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.292 billion

212 mm²

Die Size

59 mm²

Board Design

175W

TDP

19W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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