ATI FirePro V7900 SDI vs ATI FirePro V4800

VS

ATI FirePro V7900 SDI

ATI FirePro V4800

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 1024MB VRAM FirePro V4800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Released 1 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

880 additional rendering cores

ATI FirePro V4800 's Advantages

Lower TDP (69W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +199%

1.856 TFLOPS

FirePro V4800

0.62 TFLOPS

FirePro V7900 SDI

VS

FirePro V4800

Graphics Card

May 2011

Release Date

Apr 2010

FirePro

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

20

Compute Units

5

-

1280

Shading Units

400

80

TMUs

20

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

6.200 GPixel/s

58.00 GTexel/s

Texture Rate

15.50 GTexel/s

-

1.856 TFLOPS

FP32 (float)

620.0 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

69W

450 W

Suggested PSU

250 W

4x SDI

Outputs

1x DVI 2x DisplayPort 1.1

1x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Redwood

Cayman PRO GL

GPU Variant

Redwood XT GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.627 billion

389 mm²

Die Size

104 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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