ATI FirePro V7900 SDI vs NVIDIA GeForce GTX 660 Ti

VS

ATI FirePro V7900 SDI

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 2GB VRAM GeForce GTX 660 Ti 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 144.2GB/s)

NVIDIA GeForce GTX 660 Ti 's Advantages

Released 1 years and 3 months late

Boost Clock980MHz

64 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

GeForce GTX 660 Ti +41%

2.634 TFLOPS

FirePro V7900 SDI

VS

GeForce GTX 660 Ti

Graphics Card

May 2011

Release Date

Aug 2012

FirePro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

1250 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

160.0GB/s

Bandwidth

144.2GB/s

Render Config

20

Compute Units

-

1280

Shading Units

1344

80

TMUs

112

32

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

27.44 GPixel/s

58.00 GTexel/s

Texture Rate

109.8 GTexel/s

-

1.856 TFLOPS

FP32 (float)

2.634 TFLOPS

464.0 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

4x SDI

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

GK104

Cayman PRO GL

GPU Variant

GK104-300-KD-A2

TeraScale 3

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

3.54 billion

389 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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