ATI Radeon HD 5870 vs AMD Radeon R9 285X

VS

ATI Radeon HD 5870

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

Lower TDP (188W vs 200W)

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 153.6GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870

2.72 TFLOPS

Radeon R9 285X +50%

4.104 TFLOPS

Radeon HD 5870

VS

Radeon R9 285X

Graphics Card

Sep 2009

Release Date

Unknown

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

264.0GB/s

Render Config

20

Compute Units

32

-

1600

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

32.06 GPixel/s

68.00 GTexel/s

Texture Rate

128.3 GTexel/s

-

2.720 TFLOPS

FP32 (float)

4.104 TFLOPS

544.0 GFLOPS

FP64 (double)

-

Board Design

188W

TDP

200W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

Tonga

Cypress XT (215-0735033)

GPU Variant

Tonga XT (215-0851313)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

5 billion

334 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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