NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 275

VS

NVIDIA GeForce GTX 660 Ti

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti 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 Ti 's Advantages

Released 3 years and 7 months late

Boost Clock980MHz

More VRAM (2GB vs 896GB)

Larger VRAM bandwidth (144.2GB/s vs 127.0GB/s)

1104 additional rendering cores

Lower TDP (150W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +290%

2.634 TFLOPS

GeForce GTX 275

0.674 TFLOPS

GeForce GTX 660 Ti

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

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1134 MHz

Memory

2GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

448bit

144.2GB/s

Bandwidth

127.0GB/s

Render Config

-

SM Count

30

1344

Shading Units

240

112

TMUs

80

24

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

17.72 GPixel/s

109.8 GTexel/s

Texture Rate

50.64 GTexel/s

-

2.634 TFLOPS

FP32 (float)

673.9 GFLOPS

109.8 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

150W

TDP

219W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

GT200B

GK104-300-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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