AMD Radeon HD 7950 Mac Edition vs ATI FirePro V7900

VS

AMD Radeon HD 7950 Mac Edition

ATI FirePro V7900

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 2GB VRAM FirePro V7900 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

Released 1 years and 10 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 160.0GB/s)

512 additional rendering cores

ATI FirePro V7900 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +54%

2.867 TFLOPS

FirePro V7900

1.856 TFLOPS

Radeon HD 7950 Mac Edition

VS

FirePro V7900

Graphics Card

Mar 2013

Release Date

May 2011

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

160.0GB/s

Render Config

28

Compute Units

20

-

1792

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

23.20 GPixel/s

89.60 GTexel/s

Texture Rate

58.00 GTexel/s

-

2.867 TFLOPS

FP32 (float)

1.856 TFLOPS

716.8 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Cayman

Tahiti PRO (215-0821056)

GPU Variant

Cayman PRO GL

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.64 billion

352 mm²

Die Size

389 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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