ATI FirePro V9800P vs ATI FirePro V7900

VS

ATI FirePro V9800P

ATI FirePro V7900

We compared two Desktop platform GPUs: 4GB VRAM FirePro V9800P and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V9800P 's Advantages

More VRAM (4GB vs 2GB)

320 additional rendering cores

ATI FirePro V7900 's Advantages

Released 8 months late

Larger VRAM bandwidth (160.0GB/s vs 147.2GB/s)

Lower TDP (150W vs 225W)

Score

Benchmark

FP32 (float)

FirePro V9800P +46%

2.72 TFLOPS

FirePro V7900

1.856 TFLOPS

FirePro V9800P

VS

FirePro V7900

Graphics Card

Sep 2010

Release Date

May 2011

FirePro

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

147.2GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

20

-

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

23.20 GPixel/s

68.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

2.720 TFLOPS

FP32 (float)

1.856 TFLOPS

544.0 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

225W

TDP

150W

550 W

Suggested PSU

450 W

1x DisplayPort 1.1

Outputs

4x DisplayPort 1.2

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Cayman

Cypress XT GL

GPU Variant

Cayman PRO GL

TeraScale 2

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

2.64 billion

334 mm²

Die Size

389 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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