NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GT 340 OEM

VS

NVIDIA GeForce GTX 660 OEM NVIDIA GeForce GT 340 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1024MB VRAM GeForce GT 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 2 years and 6 months late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 27.20GB/s)

1056 additional rendering cores

NVIDIA GeForce GT 340 OEM 's Advantages

Lower TDP (69W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +696%

2.046 TFLOPS

GeForce GT 340 OEM

0.257 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GT 340 OEM

Graphics Card

Aug 2012

Release Date

Feb 2010

GeForce 600

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

850 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

134.4GB/s

Bandwidth

27.20GB/s

Render Config

-

SM Count

12

-

Compute Units

-

1152

Shading Units

96

TMUs

32

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

64 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

4.400 GPixel/s

85.25 GTexel/s

Texture Rate

17.60 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

257.3 GFLOPS

85.25 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

GT215

GK104-200-KD-A2

GPU Variant

GT215-301-A3

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

130W

TDP

69W

300 W

Suggested PSU

250 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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