ATI Radeon HD 4770 vs ATI FirePro V7900 SDI

VS

ATI Radeon HD 4770

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 150W)

ATI FirePro V7900 SDI 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 51.20GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

FirePro V7900 SDI +93%

1.856 TFLOPS

Radeon HD 4770

VS

FirePro V7900 SDI

Graphics Card

Apr 2009

Release Date

May 2011

Radeon R700

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

160.0GB/s

Render Config

8

Compute Units

20

-

640

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

23.20 GPixel/s

24.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

960.0 GFLOPS

FP32 (float)

1.856 TFLOPS

192.0 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

4x SDI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

Cayman

RV740 XT (215-0727019)

GPU Variant

Cayman PRO GL

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

2.64 billion

137 mm²

Die Size

389 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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