AMD Radeon HD 7870 XT vs ATI FirePro V7900 SDI

VS

AMD Radeon HD 7870 XT

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Released 1 years and 6 months late

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)

256 additional rendering cores

ATI FirePro V7900 SDI 's Advantages

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +61%

2.995 TFLOPS

FirePro V7900 SDI

1.856 TFLOPS

Radeon HD 7870 XT

VS

FirePro V7900 SDI

Graphics Card

Nov 2012

Release Date

May 2011

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

160.0GB/s

Render Config

24

Compute Units

20

-

1536

Shading Units

1280

96

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

23.20 GPixel/s

93.60 GTexel/s

Texture Rate

58.00 GTexel/s

-

2.995 TFLOPS

FP32 (float)

1.856 TFLOPS

748.8 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

185W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

4x SDI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Cayman

Tahiti LE (215-0821122)

GPU Variant

Cayman PRO GL

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.64 billion

352 mm²

Die Size

389 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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