NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 275 PhysX Edition

VS

NVIDIA GeForce GTX 660 Rev. 2 NVIDIA GeForce GTX 275 PhysX Edition

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

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 4 years and 7 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 660 Rev. 2 +218%

1.981 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Sep 2014

Release Date

Feb 2010

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 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

-

Compute Units

-

960

Shading Units

240

80

TMUs

80

24

ROPs

28

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

17.72 GPixel/s

82.56 GTexel/s

Texture Rate

50.64 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

622.1 GFLOPS

82.56 GFLOPS

FP64 (double)

77.76 GFLOPS

Graphics Processor

GK104

GPU Name

G92B

-

GPU Variant

G92-421-B1

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.754 billion

294 mm²

Die Size

260 mm²

Board Design

140W

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

1x 6-pin + 1x 8-pin

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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