NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce RTX 3090 Ti

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce RTX 3090 Ti

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM 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 OEM 's Advantages

Lower TDP (130W vs 450W)

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 109% (1860MHz vs 888MHz)

More VRAM (24GB vs 1536GB)

Larger VRAM bandwidth (1008GB/s vs 134.4GB/s)

9600 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce RTX 3090 Ti +1855%

40 TFLOPS

GeForce GTX 660 OEM

VS

GeForce RTX 3090 Ti

Graphics Card

Aug 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

823 MHz

Base Clock

1560 MHz

888 MHz

Boost Clock

1860 MHz

1400 MHz

Memory Clock

1313 MHz

Memory

1536MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

384bit

134.4GB/s

Bandwidth

1008GB/s

Render Config

-

SM Count

84

1152

Shading Units

10752

96

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

21.31 GPixel/s

Pixel Rate

208.3 GPixel/s

85.25 GTexel/s

Texture Rate

625.0 GTexel/s

-

FP16 (half)

40.00 TFLOPS

2.046 TFLOPS

FP32 (float)

40.00 TFLOPS

85.25 GFLOPS

FP64 (double)

625.0 GFLOPS

Board Design

130W

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

GK104

GPU Name

GA102

GK104-200-KD-A2

GPU Variant

GA102-350-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

3.54 billion

Transistors

28.3 billion

294 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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