AMD Radeon R9 285 vs ATI Radeon HD 4700

VS

AMD Radeon R9 285

ATI Radeon HD 4700

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 512MB VRAM Radeon HD 4700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 4 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 12.80GB/s)

1472 additional rendering cores

ATI Radeon HD 4700 's Advantages

Lower TDP (50W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +756%

3.29 TFLOPS

Radeon HD 4700

0.384 TFLOPS

Radeon R9 285

VS

Radeon HD 4700

Graphics Card

Sep 2014

Release Date

Feb 2010

Volcanic Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

12.80GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

4.800 GPixel/s

102.8 GTexel/s

Texture Rate

19.20 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

384.0 GFLOPS

205.6 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

-

Graphics Processor

Tonga

GPU Name

RV730

Tonga PRO (215-0851128)

GPU Variant

RV730 CE

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.514 billion

366 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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