ATI Radeon HD 4700 vs AMD Radeon HD 8870 OEM

VS

ATI Radeon HD 4700 AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4700 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4700 's Advantages

Lower TDP (50W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 2 years and 11 months late

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4700

0.384 TFLOPS

Radeon HD 8870 OEM +566%

2.56 TFLOPS

Radeon HD 4700

VS

Radeon HD 8870 OEM

Graphics Card

Feb 2010

Release Date

Jan 2013

Radeon R700

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

4

Compute Units

20

320

Shading Units

1280

32

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

32.00 GPixel/s

19.20 GTexel/s

Texture Rate

80.00 GTexel/s

-

FP16 (half)

-

384.0 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Graphics Processor

RV730

GPU Name

Pitcairn

RV730 CE

GPU Variant

Pitcairn XT (215-0828047)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

2.8 billion

146 mm²

Die Size

212 mm²

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

5.1

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