NVIDIA GeForce GTX 660 OEM vs AMD FireStream 9250

VS

NVIDIA GeForce GTX 660 OEM

AMD FireStream 9250

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 4 years and 2 months late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 63.55GB/s)

352 additional rendering cores

Lower TDP (130W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +104%

2.046 TFLOPS

FireStream 9250

1 TFLOPS

GeForce GTX 660 OEM

VS

FireStream 9250

Graphics Card

Aug 2012

Release Date

Jun 2008

GeForce 600

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

993 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

63.55GB/s

Render Config

-

Compute Units

10

-

1152

Shading Units

800

96

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

10.00 GPixel/s

85.25 GTexel/s

Texture Rate

25.00 GTexel/s

-

2.046 TFLOPS

FP32 (float)

1000 GFLOPS

85.25 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

130W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

1x DVI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

RV770

GK104-200-KD-A2

GPU Variant

RV770 PRO

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.956 billion

294 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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