ATI FirePro V7900 SDI vs ATI FirePro V9800P

VS

ATI FirePro V7900 SDI

ATI FirePro V9800P

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

Main Differences

ATI FirePro V7900 SDI 's Advantages

Released 8 months late

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

Lower TDP (150W vs 225W)

ATI FirePro V9800P 's Advantages

More VRAM (4GB vs 2GB)

320 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

FirePro V9800P +46%

2.72 TFLOPS

FirePro V7900 SDI

VS

FirePro V9800P

Graphics Card

May 2011

Release Date

Sep 2010

FirePro

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

147.2GB/s

Render Config

20

Compute Units

20

-

1280

Shading Units

1600

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

27.20 GPixel/s

58.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.856 TFLOPS

FP32 (float)

2.720 TFLOPS

464.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

150W

TDP

225W

450 W

Suggested PSU

550 W

4x SDI

Outputs

1x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cayman

GPU Name

Cypress

Cayman PRO GL

GPU Variant

Cypress XT GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

2.154 billion

389 mm²

Die Size

334 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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