AMD Radeon HD 6750 vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon HD 6750

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 2 years and 2 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 73.60GB/s)

1072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6750

1.008 TFLOPS

Radeon HD 7950 Mac Edition +184%

2.867 TFLOPS

Radeon HD 6750

VS

Radeon HD 7950 Mac Edition

Graphics Card

Jan 2011

Release Date

Mar 2013

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

73.60GB/s

Bandwidth

240.0GB/s

Render Config

9

Compute Units

28

-

720

Shading Units

1792

36

TMUs

112

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

25.60 GPixel/s

25.20 GTexel/s

Texture Rate

89.60 GTexel/s

-

1008 GFLOPS

FP32 (float)

2.867 TFLOPS

-

FP64 (double)

716.8 GFLOPS

Board Design

86W

TDP

200W

250 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Juniper

GPU Name

Tahiti

Juniper LE (215-0754009)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

4.313 billion

166 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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