ATI FirePro V7900 SDI vs AMD Radeon R9 280X2

VS

ATI FirePro V7900 SDI

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Lower TDP (150W vs 375W)

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

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

Radeon R9 280X2 +120%

4.096 TFLOPS

FirePro V7900 SDI

VS

Radeon R9 280X2

Graphics Card

May 2011

Release Date

Unknown

FirePro

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

288.0GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

32.00 GPixel/s

58.00 GTexel/s

Texture Rate

128.0 GTexel/s

-

1.856 TFLOPS

FP32 (float)

4.096 TFLOPS

464.0 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

150W

TDP

375W

450 W

Suggested PSU

750 W

4x SDI

Outputs

6x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Cayman

GPU Name

Tahiti

Cayman PRO GL

GPU Variant

Tahiti XTL (215-0821065)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

4.313 billion

389 mm²

Die Size

352 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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