ATI FirePro V7900 SDI vs AMD Radeon HD 6990

VS

ATI FirePro V7900 SDI

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 2GB VRAM Radeon HD 6990 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 HD 6990 's Advantages

256 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

Radeon HD 6990 +37%

2.55 TFLOPS

FirePro V7900 SDI

VS

Radeon HD 6990

Graphics Card

May 2011

Release Date

Mar 2011

FirePro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

24

-

1280

Shading Units

1536

80

TMUs

96

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

26.56 GPixel/s

58.00 GTexel/s

Texture Rate

79.68 GTexel/s

-

1.856 TFLOPS

FP32 (float)

2.550 TFLOPS

464.0 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

150W

TDP

375W

450 W

Suggested PSU

750 W

4x SDI

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cayman

GPU Name

Antilles

Cayman PRO GL

GPU Variant

Antilles XT (215-0807027)

TeraScale 3

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

2.64 billion

389 mm²

Die Size

389 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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