NVIDIA GeForce RTX 3070 Ti vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce RTX 3070 Ti NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 Ti and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Ti 's Advantages

Released 8 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

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 290W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti +997%

21.75 TFLOPS

GeForce GTX 660

1.981 TFLOPS

3DMark Time Spy

GeForce RTX 3070 Ti +1044%

14958

GeForce GTX 660

1307

GeForce RTX 3070 Ti

VS

GeForce GTX 660

Graphics Card

May 2021

Release Date

Sep 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1575 MHz

Base Clock

980 MHz

1770 MHz

Boost Clock

1032 MHz

1188 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

192bit

608.3GB/s

Bandwidth

144.2GB/s

Render Config

48

SM Count

-

Compute Units

-

6144

Shading Units

960

192

TMUs

80

96

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

169.9 GPixel/s

Pixel Rate

20.64 GPixel/s

339.8 GTexel/s

Texture Rate

82.56 GTexel/s

21.75 TFLOPS

FP16 (half)

-

21.75 TFLOPS

FP32 (float)

1.981 TFLOPS

339.8 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

GA104

GPU Name

GK106

GA104-400-A1

GPU Variant

GK106-400-A1

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

2.54 billion

392 mm²

Die Size

221 mm²

Board Design

290W

TDP

140W

600 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

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