ATI FirePro V4900 vs AMD Radeon HD 7870 GHz Edition

VS

ATI FirePro V4900

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V4900 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V4900 's Advantages

Lower TDP (75W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V4900

0.768 TFLOPS

Radeon HD 7870 GHz Edition +233%

2.56 TFLOPS

FirePro V4900

VS

Radeon HD 7870 GHz Edition

Graphics Card

Nov 2011

Release Date

Mar 2012

FirePro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

20

-

480

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

32.00 GPixel/s

19.20 GTexel/s

Texture Rate

80.00 GTexel/s

-

768.0 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

75W

TDP

175W

250 W

Suggested PSU

450 W

1x DVI 2x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

Turks

GPU Name

Pitcairn

Turks XT GL

GPU Variant

Pitcairn XT (215-0828047)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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