NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 3090 Ti

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce RTX 3090 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 24GB VRAM GeForce RTX 3090 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 450W)

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 9 years and 4 months late

Boost Clock has increased by 80% (1860MHz vs 1032MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1008GB/s vs 144.2GB/s)

9792 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

GeForce RTX 3090 Ti +1919%

40 TFLOPS

3DMark Time Spy

GeForce GTX 660

1308

GeForce RTX 3090 Ti +1592%

22133

Blender

GeForce GTX 660

111

GeForce RTX 3090 Ti +5485%

6200

OctaneBench

GeForce GTX 660

27

GeForce RTX 3090 Ti +2303%

649

GeForce GTX 660

VS

GeForce RTX 3090 Ti

Graphics Card

Sep 2012

Release Date

Jan 2022

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

1560 MHz

1032 MHz

Boost Clock

1860 MHz

1502 MHz

Memory Clock

1313 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

1008GB/s

Render Config

-

SM Count

84

960

Shading Units

10752

80

TMUs

336

24

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

6 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

208.3 GPixel/s

82.56 GTexel/s

Texture Rate

625.0 GTexel/s

-

FP16 (half)

40.00 TFLOPS

1.981 TFLOPS

FP32 (float)

40.00 TFLOPS

82.56 GFLOPS

FP64 (double)

625.0 GFLOPS

Board Design

140W

TDP

450W

300 W

Suggested PSU

850 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 16-pin

Graphics Processor

GK106

GPU Name

GA102

GK106-400-A1

GPU Variant

GA102-350-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

28.3 billion

221 mm²

Die Size

628 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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