ATI FirePro V7800P vs ATI FirePro V7900 SDI

VS

ATI FirePro V7800P

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800P and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7800P 's Advantages

160 additional rendering cores

Lower TDP (138W vs 150W)

ATI FirePro V7900 SDI 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

Score

Benchmark

FP32 (float)

FirePro V7800P +8%

2.016 TFLOPS

FirePro V7900 SDI

1.856 TFLOPS

FirePro V7800P

VS

FirePro V7900 SDI

Graphics Card

May 2011

Release Date

May 2011

FirePro

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

18

Compute Units

20

-

1440

Shading Units

1280

72

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

23.20 GPixel/s

50.40 GTexel/s

Texture Rate

58.00 GTexel/s

-

2.016 TFLOPS

FP32 (float)

1.856 TFLOPS

403.2 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

138W

TDP

150W

300 W

Suggested PSU

450 W

1x DisplayPort 1.1

Outputs

4x SDI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Cayman

Cypress PRO 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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