AMD Radeon HD 7950 Mac Edition vs AMD Radeon R7 250E

VS

AMD Radeon HD 7950 Mac Edition

AMD Radeon R7 250E

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 1024MB VRAM Radeon R7 250E 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 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 72.00GB/s)

1280 additional rendering cores

AMD Radeon R7 250E 's Advantages

Released 9 months late

Lower TDP (55W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +250%

2.867 TFLOPS

Radeon R7 250E

0.819 TFLOPS

Radeon HD 7950 Mac Edition

VS

Radeon R7 250E

Graphics Card

Mar 2013

Release Date

Dec 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

72.00GB/s

Render Config

28

Compute Units

8

-

1792

Shading Units

512

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

12.80 GPixel/s

89.60 GTexel/s

Texture Rate

25.60 GTexel/s

-

2.867 TFLOPS

FP32 (float)

819.2 GFLOPS

716.8 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

200W

TDP

55W

550 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Cape Verde

Tahiti PRO (215-0821056)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.5 billion

352 mm²

Die Size

123 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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