NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 3080 Ti

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce RTX 3080 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 12GB VRAM GeForce RTX 3080 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 350W)

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 61% (1665MHz vs 1032MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (912.4GB/s vs 144.2GB/s)

9280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce RTX 3080 Ti +1621%

34.1 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce RTX 3080 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

1365 MHz

1032 MHz

Boost Clock

1665 MHz

1502 MHz

Memory Clock

1188 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

912.4GB/s

Render Config

-

SM Count

80

960

Shading Units

10240

80

TMUs

320

24

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

6 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

186.5 GPixel/s

82.56 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

1.981 TFLOPS

FP32 (float)

34.10 TFLOPS

82.56 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

140W

TDP

350W

300 W

Suggested PSU

750 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

GA102

-

GPU Variant

GA102-225-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

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 570 Rev. 2

2

NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro W4000

3

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro V7300X

4

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 650

5

NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro 2460 Multi View

6

NVIDIA GeForce GTX 660 Rev. 2 vs AMD FireStream 9350

7

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon HD 6490

8

NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 2950 PRO

9

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro WX 8100

10

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 3080 12 GB

Related News

1

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

2

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

3

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

4

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

5

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

6

CXMT Reportedly Achieves 80% Yield in DDR5 Production

7

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

8

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

9

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

10

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim