NVIDIA GeForce GTX 660 vs NVIDIA NVS 300

VS

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 512MB VRAM NVS 300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 1 years and 8 months late

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 12.64GB/s)

944 additional rendering cores

NVIDIA NVS 300 's Advantages

Lower TDP (18W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +4979%

1.981 TFLOPS

NVS 300

0.039 TFLOPS

GeForce GTX 660

VS

NVS 300

Graphics Card

Sep 2012

Release Date

Jan 2011

GeForce 600

Generation

NVS

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

790 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

12.64GB/s

Render Config

-

SM Count

2

-

Compute Units

-

960

Shading Units

16

80

TMUs

8

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.080 GPixel/s

82.56 GTexel/s

Texture Rate

4.160 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

39.36 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Graphics Processor

GK106

GPU Name

GT218

GK106-400-A1

GPU Variant

GT218-670-B1

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.26 billion

221 mm²

Die Size

57 mm²

Board Design

140W

TDP

18W

300 W

Suggested PSU

200 W

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

Outputs

1x DMS-59

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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