ATI FirePro V3900 vs AMD Radeon HD 8870 OEM

VS

ATI FirePro V3900

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V3900 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V3900 's Advantages

Lower TDP (50W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V3900

0.624 TFLOPS

Radeon HD 8870 OEM +310%

2.56 TFLOPS

FirePro V3900

VS

Radeon HD 8870 OEM

Graphics Card

Feb 2012

Release Date

Jan 2013

FirePro

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/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

5.200 GPixel/s

Pixel Rate

32.00 GPixel/s

15.60 GTexel/s

Texture Rate

80.00 GTexel/s

-

624.0 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

1x DVI 1x 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 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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