ATI Radeon HD 3870 Mac Edition vs ATI FirePro V7800P

VS

ATI Radeon HD 3870 Mac Edition

ATI FirePro V7800P

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 2GB VRAM FirePro V7800P to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 138W)

ATI FirePro V7800P 's Advantages

Released 2 years and 11 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 72.06GB/s)

1120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

FirePro V7800P +305%

2.016 TFLOPS

Radeon HD 3870 Mac Edition

VS

FirePro V7800P

Graphics Card

Jun 2008

Release Date

May 2011

Radeon R600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

128.0GB/s

Render Config

4

Compute Units

18

-

320

Shading Units

1440

16

TMUs

72

16

ROPs

32

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

22.40 GPixel/s

12.43 GTexel/s

Texture Rate

50.40 GTexel/s

-

497.3 GFLOPS

FP32 (float)

2.016 TFLOPS

99.46 GFLOPS

FP64 (double)

403.2 GFLOPS

Board Design

106W

TDP

138W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

1x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

Cypress

RV670 XT (215-0708005)

GPU Variant

Cypress PRO GL

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

2.154 billion

192 mm²

Die Size

334 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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