AMD Radeon HD 6970 vs AMD Radeon HD 7750

VS

AMD Radeon HD 6970

AMD Radeon HD 7750

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)

1024 additional rendering cores

AMD Radeon HD 7750 's Advantages

Released 1 years and 2 months late

Lower TDP (55W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +230%

2.703 TFLOPS

Radeon HD 7750

0.819 TFLOPS

Radeon HD 6970

VS

Radeon HD 7750

Graphics Card

Dec 2010

Release Date

Feb 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

72.00GB/s

Render Config

24

Compute Units

8

-

1536

Shading Units

512

96

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

12.80 GPixel/s

84.48 GTexel/s

Texture Rate

25.60 GTexel/s

-

2.703 TFLOPS

FP32 (float)

819.2 GFLOPS

675.8 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

250W

TDP

55W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Cape Verde

Cayman XT (215-0807007)

GPU Variant

Cape Verde PRO

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

1.5 billion

389 mm²

Die Size

123 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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