NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 295

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 295

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 896MB VRAM GeForce GTX 295 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 5 years and 8 months late

Boost Clock1032MHz

More VRAM (2GB vs 896GB)

Larger VRAM bandwidth (144.2GB/s vs 111.9GB/s)

720 additional rendering cores

Lower TDP (140W vs 289W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +232%

1.981 TFLOPS

GeForce GTX 295

0.596 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 295

Graphics Card

Sep 2014

Release Date

Jan 2009

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

999 MHz

Memory

2GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

448bit

144.2GB/s

Bandwidth

111.9GB/s

Render Config

-

SM Count

30

960

Shading Units

240

80

TMUs

80

24

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

16.13 GPixel/s

82.56 GTexel/s

Texture Rate

46.08 GTexel/s

-

1.981 TFLOPS

FP32 (float)

596.2 GFLOPS

82.56 GFLOPS

FP64 (double)

74.52 GFLOPS

Board Design

140W

TDP

289W

300 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x HDMI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

GT200B

-

GPU Variant

G200-401-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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