ATI Radeon HD 5870 Eyefinity 6 vs AMD Radeon R9 255 OEM

VS

ATI Radeon HD 5870 Eyefinity 6 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Eyefinity 6 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 73.60GB/s)

1088 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Released 3 years and 9 months late

Boost Clock930MHz

Lower TDP (65W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Eyefinity 6 +185%

2.72 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon HD 5870 Eyefinity 6

VS

Radeon R9 255 OEM

Graphics Card

Mar 2010

Release Date

Dec 2013

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

1200 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

20

Compute Units

8

1600

Shading Units

512

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

14.88 GPixel/s

68.00 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

952.3 GFLOPS

544.0 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

Cypress

GPU Name

Cape Verde

Cypress XT (215-0735033)

GPU Variant

Cape Verde PRX

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

1.5 billion

334 mm²

Die Size

123 mm²

Board Design

228W

TDP

65W

550 W

Suggested PSU

250 W

6x mini-DisplayPort 1.1

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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