NVIDIA GeForce GTS 450 vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce GTS 450

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 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 GTS 450 's Advantages

Lower TDP (106W vs 140W)

NVIDIA GeForce GTX 660 's Advantages

Released 2 years late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 57.73GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

GeForce GTX 660 +229%

1.981 TFLOPS

GeForce GTS 450

VS

GeForce GTX 660

Graphics Card

Sep 2010

Release Date

Sep 2012

GeForce 400

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

902 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

57.73GB/s

Bandwidth

144.2GB/s

Render Config

-

4

SM Count

-

192

Shading Units

960

32

TMUs

80

16

ROPs

24

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

20.64 GPixel/s

25.06 GTexel/s

Texture Rate

82.56 GTexel/s

-

601.3 GFLOPS

FP32 (float)

1.981 TFLOPS

50.11 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

106W

TDP

140W

300 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

GK106

GF106-250-KA-A1

GPU Variant

GK106-400-A1

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.54 billion

238 mm²

Die Size

221 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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