AMD Radeon HD 7950 Mac Edition vs AMD Radeon R5 235X OEM

VS

AMD Radeon HD 7950 Mac Edition

AMD Radeon R5 235X OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 1024MB VRAM Radeon R5 235X OEM 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 14.40GB/s)

1632 additional rendering cores

AMD Radeon R5 235X OEM 's Advantages

Released 9 months late

Lower TDP (18W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +923%

2.867 TFLOPS

Radeon R5 235X OEM

0.28 TFLOPS

Radeon HD 7950 Mac Edition

VS

Radeon R5 235X OEM

Graphics Card

Mar 2013

Release Date

Dec 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

160

112

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

3.500 GPixel/s

89.60 GTexel/s

Texture Rate

7.000 GTexel/s

-

2.867 TFLOPS

FP32 (float)

280.0 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

18W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Caicos

Tahiti PRO (215-0821056)

GPU Variant

Caicos XT (215-0804070)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.37 billion

352 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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