AMD Radeon Sky 700 vs AMD Radeon HD 7950

VS

AMD Radeon Sky 700

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 1 years and 2 months late

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (264.0GB/s vs 240.0GB/s)

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 225W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +12%

3.226 TFLOPS

Radeon HD 7950

2.867 TFLOPS

Radeon Sky 700

VS

Radeon HD 7950

Graphics Card

Mar 2013

Release Date

Jan 2012

Radeon Sky

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

240.0GB/s

Render Config

28

Compute Units

28

-

1792

Shading Units

1792

112

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

25.60 GPixel/s

100.8 GTexel/s

Texture Rate

89.60 GTexel/s

-

3.226 TFLOPS

FP32 (float)

2.867 TFLOPS

806.4 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

225W

TDP

200W

550 W

Suggested PSU

550 W

1x DisplayPort 1.2

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Tahiti

Tahiti PRO GL

GPU Variant

Tahiti PRO (215-0821056)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

352 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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