ATI Radeon HD 5870 vs AMD Radeon Sky 700

VS

ATI Radeon HD 5870

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 6GB VRAM Radeon Sky 700 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 225W)

AMD Radeon Sky 700 's Advantages

Released 3 years and 6 months late

More VRAM (6GB vs 1024GB)

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

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870

2.72 TFLOPS

Radeon Sky 700 +18%

3.226 TFLOPS

Radeon HD 5870

VS

Radeon Sky 700

Graphics Card

Sep 2009

Release Date

Mar 2013

Evergreen

Generation

Radeon Sky

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

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

264.0GB/s

Render Config

20

Compute Units

28

-

1600

Shading Units

1792

80

TMUs

112

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

28.80 GPixel/s

68.00 GTexel/s

Texture Rate

100.8 GTexel/s

-

2.720 TFLOPS

FP32 (float)

3.226 TFLOPS

544.0 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

188W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cypress

GPU Name

Tahiti

Cypress XT (215-0735033)

GPU Variant

Tahiti PRO GL

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

4.313 billion

334 mm²

Die Size

352 mm²

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

-

5.0

Shader Model

5.1

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