AMD Radeon HD 6950 vs AMD Radeon HD 7950 Boost

VS

AMD Radeon HD 6950 AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Released 1 years and 6 months late

Boost Clock925MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 160.0GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950

2.253 TFLOPS

Radeon HD 7950 Boost +47%

3.315 TFLOPS

Radeon HD 6950

VS

Radeon HD 7950 Boost

Graphics Card

Dec 2010

Release Date

Jun 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

22

Compute Units

28

1408

Shading Units

1792

88

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

29.60 GPixel/s

70.40 GTexel/s

Texture Rate

103.6 GTexel/s

-

FP16 (half)

-

2.253 TFLOPS

FP32 (float)

3.315 TFLOPS

563.2 GFLOPS

FP64 (double)

828.8 GFLOPS

Graphics Processor

Cayman

GPU Name

Tahiti

Cayman PRO (215-0807019)

GPU Variant

Tahiti PRO2 (215-0821282)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

4.313 billion

389 mm²

Die Size

352 mm²

Board Design

200W

TDP

200W

550 W

Suggested PSU

550 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 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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