AMD Radeon HD 7950 Mac Edition vs AMD Radeon R7 240

VS

AMD Radeon HD 7950 Mac Edition

AMD Radeon R7 240

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 2GB VRAM Radeon R7 240 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 28.80GB/s)

1472 additional rendering cores

AMD Radeon R7 240 's Advantages

Released 7 months late

Boost Clock780MHz

Lower TDP (30W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +474%

2.867 TFLOPS

Radeon R7 240

0.499 TFLOPS

Radeon HD 7950 Mac Edition

VS

Radeon R7 240

Graphics Card

Mar 2013

Release Date

Oct 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

28.80GB/s

Render Config

28

Compute Units

5

-

1792

Shading Units

320

112

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

6.240 GPixel/s

89.60 GTexel/s

Texture Rate

15.60 GTexel/s

-

2.867 TFLOPS

FP32 (float)

499.2 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

30W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Oland

Tahiti PRO (215-0821056)

GPU Variant

Oland PRO (215-0837015)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.95 billion

352 mm²

Die Size

77 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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