NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 275

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 896MB VRAM GeForce GTX 275 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 3 years and 7 months late

Boost Clock888MHz

More VRAM (1536GB vs 896GB)

Larger VRAM bandwidth (134.4GB/s vs 127.0GB/s)

912 additional rendering cores

Lower TDP (130W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +203%

2.046 TFLOPS

GeForce GTX 275

0.674 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GTX 275

Graphics Card

Aug 2012

Release Date

Jan 2009

GeForce 600

Generation

GeForce 200

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

1134 MHz

Memory

1536MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

448bit

134.4GB/s

Bandwidth

127.0GB/s

Render Config

-

SM Count

30

1152

Shading Units

240

96

TMUs

80

24

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

17.72 GPixel/s

85.25 GTexel/s

Texture Rate

50.64 GTexel/s

-

2.046 TFLOPS

FP32 (float)

673.9 GFLOPS

85.25 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

130W

TDP

219W

300 W

Suggested PSU

550 W

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

Outputs

2x DVI

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

GT200B

GK104-200-KD-A2

GPU Variant

G200-105-B3

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

1.4 billion

294 mm²

Die Size

470 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.3

5.1

Shader Model

4.0

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