NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GT 320 OEM

VS

NVIDIA GeForce GTX 660 Rev. 2 NVIDIA GeForce GT 320 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM GeForce GT 320 OEM 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

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (144.2GB/s vs 25.28GB/s)

888 additional rendering cores

NVIDIA GeForce GT 320 OEM 's Advantages

Lower TDP (43W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +953%

1.981 TFLOPS

GeForce GT 320 OEM

0.188 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GT 320 OEM

Graphics Card

Sep 2014

Release Date

Feb 2010

GeForce 600

Generation

GeForce 300

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

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

9

-

Compute Units

-

960

Shading Units

72

80

TMUs

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

64 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

4.320 GPixel/s

82.56 GTexel/s

Texture Rate

12.96 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

187.5 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

GT215

-

GPU Variant

GT215-250-A2

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.727 billion

294 mm²

Die Size

144 mm²

Board Design

140W

TDP

43W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

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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