ATI FirePro V7900 SDI vs AMD Radeon HD 8870 OEM

VS

ATI FirePro V7900 SDI

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI 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 V7900 SDI 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

Lower TDP (150W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 1 years and 8 months late

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

Radeon HD 8870 OEM +37%

2.56 TFLOPS

FirePro V7900 SDI

VS

Radeon HD 8870 OEM

Graphics Card

May 2011

Release Date

Jan 2013

FirePro

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

153.6GB/s

Render Config

20

Compute Units

20

-

1280

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

32.00 GPixel/s

58.00 GTexel/s

Texture Rate

80.00 GTexel/s

-

1.856 TFLOPS

FP32 (float)

2.560 TFLOPS

464.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

150W

TDP

175W

450 W

Suggested PSU

450 W

4x SDI

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

Pitcairn

Cayman PRO GL

GPU Variant

Pitcairn XT (215-0828047)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

2.8 billion

389 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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