AMD Radeon R9 280X2 vs ATI FirePro V7900 SDI

VS

AMD Radeon R9 280X2

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 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 R9 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)

768 additional rendering cores

ATI FirePro V7900 SDI 's Advantages

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +120%

4.096 TFLOPS

FirePro V7900 SDI

1.856 TFLOPS

Radeon R9 280X2

VS

FirePro V7900 SDI

Graphics Card

Unknown

Release Date

May 2011

Volcanic Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

20

-

2048

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

23.20 GPixel/s

128.0 GTexel/s

Texture Rate

58.00 GTexel/s

-

4.096 TFLOPS

FP32 (float)

1.856 TFLOPS

1024 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

375W

TDP

150W

750 W

Suggested PSU

450 W

6x mini-DisplayPort 1.2

Outputs

4x SDI

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Cayman

Tahiti XTL (215-0821065)

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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