ATI Radeon HD 4850 vs ATI FirePro V7900

VS

ATI Radeon HD 4850

ATI FirePro V7900

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4850 and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

Lower TDP (110W vs 150W)

ATI FirePro V7900 's Advantages

Released 2 years and 11 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 63.55GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4850

1 TFLOPS

FirePro V7900 +85%

1.856 TFLOPS

Radeon HD 4850

VS

FirePro V7900

Graphics Card

Jun 2008

Release Date

May 2011

Radeon R700

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

993 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

63.55GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

23.20 GPixel/s

25.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

1000 GFLOPS

FP32 (float)

1.856 TFLOPS

200.0 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

110W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

4x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

Cayman

RV770 PRO (215-0669065)

GPU Variant

Cayman PRO GL

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

2.64 billion

256 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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