NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 3070 Ti

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce RTX 3070 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM GeForce RTX 3070 Ti 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 290W)

NVIDIA GeForce RTX 3070 Ti 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 72% (1770MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (608.3GB/s vs 144.2GB/s)

5184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce RTX 3070 Ti +997%

21.75 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce RTX 3070 Ti

Graphics Card

Sep 2014

Release Date

May 2021

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

1575 MHz

1032 MHz

Boost Clock

1770 MHz

1502 MHz

Memory Clock

1188 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

608.3GB/s

Render Config

-

SM Count

48

960

Shading Units

6144

80

TMUs

192

24

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

169.9 GPixel/s

82.56 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

21.75 TFLOPS

1.981 TFLOPS

FP32 (float)

21.75 TFLOPS

82.56 GFLOPS

FP64 (double)

339.8 GFLOPS

Board Design

140W

TDP

290W

300 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

GK104

GPU Name

GA104

-

GPU Variant

GA104-400-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

3.54 billion

Transistors

17.4 billion

294 mm²

Die Size

392 mm²

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

8.6

5.1

Shader Model

6.6

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