NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 2070

VS

NVIDIA GeForce GTX 660 Rev. 2 NVIDIA GeForce RTX 2070

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM GeForce RTX 2070 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

Lower TDP (140W vs 175W)

NVIDIA GeForce RTX 2070 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 57% (1620MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 144.2GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce RTX 2070 +276%

7.465 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce RTX 2070

Graphics Card

Sep 2014

Release Date

Oct 2018

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1410 MHz

1032 MHz

Boost Clock

1620 MHz

1502 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

36

-

Compute Units

-

960

Shading Units

2304

80

TMUs

144

24

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

4 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

103.7 GPixel/s

82.56 GTexel/s

Texture Rate

233.3 GTexel/s

-

FP16 (half)

14.93 TFLOPS

1.981 TFLOPS

FP32 (float)

7.465 TFLOPS

82.56 GFLOPS

FP64 (double)

233.3 GFLOPS

Graphics Processor

GK104

GPU Name

TU106

-

GPU Variant

TU106-400A-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

3.54 billion

Transistors

10.8 billion

294 mm²

Die Size

445 mm²

Board Design

140W

TDP

175W

300 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 2.0 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

7.5

5.1

Shader Model

6.6

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