AMD Radeon Sky 700 vs ATI Radeon HD 5870 Eyefinity 6

VS

AMD Radeon Sky 700

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 2GB VRAM Radeon HD 5870 Eyefinity 6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 3 years late

More VRAM (6GB vs 2GB)

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

192 additional rendering cores

Lower TDP (225W vs 228W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +18%

3.226 TFLOPS

Radeon HD 5870 Eyefinity 6

2.72 TFLOPS

Radeon Sky 700

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Mar 2013

Release Date

Mar 2010

Radeon Sky

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1200 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

153.6GB/s

Render Config

28

Compute Units

20

-

1792

Shading Units

1600

112

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

27.20 GPixel/s

100.8 GTexel/s

Texture Rate

68.00 GTexel/s

-

3.226 TFLOPS

FP32 (float)

2.720 TFLOPS

806.4 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

225W

TDP

228W

550 W

Suggested PSU

550 W

1x DisplayPort 1.2

Outputs

6x mini-DisplayPort 1.1

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Cypress

Tahiti PRO GL

GPU Variant

Cypress XT (215-0735033)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.154 billion

352 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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