NVIDIA GeForce GTX 275 vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce GTX 275 NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 3 years and 8 months late

Boost Clock1032MHz

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

720 additional rendering cores

Lower TDP (140W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

GeForce GTX 660 +193%

1.981 TFLOPS

GeForce GTX 275

VS

GeForce GTX 660

Graphics Card

Jan 2009

Release Date

Sep 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1134 MHz

Memory Clock

1502 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

192bit

127.0GB/s

Bandwidth

144.2GB/s

Render Config

30

SM Count

-

Compute Units

-

240

Shading Units

960

80

TMUs

80

28

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

224 KB

L2 Cache

384 KB

Theoretical Performance

17.72 GPixel/s

Pixel Rate

20.64 GPixel/s

50.64 GTexel/s

Texture Rate

82.56 GTexel/s

-

FP16 (half)

-

673.9 GFLOPS

FP32 (float)

1.981 TFLOPS

84.24 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

GT200B

GPU Name

GK106

G200-105-B3

GPU Variant

GK106-400-A1

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

2.54 billion

470 mm²

Die Size

221 mm²

Board Design

219W

TDP

140W

550 W

Suggested PSU

300 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.3

CUDA

3.0

4.0

Shader Model

5.1

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