NVIDIA GeForce GTX 1660 SUPER vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GTX 1660 SUPER NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 SUPER and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 SUPER 's Advantages

Released 6 years and 6 months late

Boost Clock1785MHz

More VRAM (6GB vs 1GB)

Larger VRAM bandwidth (336.0GB/s vs 64.00GB/s)

832 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 125W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 SUPER +429%

5.027 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 1660 SUPER

VS

GeForce GTX 645 OEM

Graphics Card

Oct 2019

Release Date

Apr 2013

GeForce 16

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1530 MHz

Base Clock

-

1785 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

6GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

336.0GB/s

Bandwidth

64.00GB/s

Render Config

22

SM Count

-

Compute Units

-

1408

Shading Units

576

88

TMUs

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

Theoretical Performance

85.68 GPixel/s

Pixel Rate

9.888 GPixel/s

157.1 GTexel/s

Texture Rate

39.55 GTexel/s

10.05 TFLOPS

FP16 (half)

-

5.027 TFLOPS

FP32 (float)

949.2 GFLOPS

157.1 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

TU116

GPU Name

GK106

TU116-300-A1

GPU Variant

GK106-200-A1

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

6.6 billion

Transistors

2.54 billion

284 mm²

Die Size

221 mm²

Board Design

125W

TDP

65W

300 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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