ATI FirePro V7900 vs ATI Radeon HD 4890

VS

ATI FirePro V7900

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 124.8GB/s)

480 additional rendering cores

Lower TDP (150W vs 190W)

Score

Benchmark

FP32 (float)

FirePro V7900 +36%

1.856 TFLOPS

Radeon HD 4890

1.36 TFLOPS

FirePro V7900

VS

Radeon HD 4890

Graphics Card

May 2011

Release Date

Apr 2009

FirePro

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

975 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

124.8GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

13.60 GPixel/s

58.00 GTexel/s

Texture Rate

34.00 GTexel/s

-

1.856 TFLOPS

FP32 (float)

1360 GFLOPS

464.0 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

150W

TDP

190W

450 W

Suggested PSU

450 W

4x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

RV790

Cayman PRO GL

GPU Variant

RV790 XT (215-0758016)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.959 billion

389 mm²

Die Size

282 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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