NVIDIA GeForce GTX 1660 vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

NVIDIA GeForce GTX 1660

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Boost Clock has increased by 7% (1785MHz vs 1665MHz)

Lower TDP (120W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 2 years and 10 months late

More VRAM (20GB vs 6GB)

Larger VRAM bandwidth (760.3GB/s vs 192.1GB/s)

8832 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660

5.027 TFLOPS

GeForce RTX 3080 Ti 20 GB +578%

34.1 TFLOPS

Blender

GeForce GTX 1660

701

GeForce RTX 3080 Ti 20 GB +749%

5956

OctaneBench

GeForce GTX 1660

112

GeForce RTX 3080 Ti 20 GB +472%

641

GeForce GTX 1660

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Mar 2019

Release Date

Jan 2022

GeForce 16

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1530 MHz

Base Clock

1335 MHz

1785 MHz

Boost Clock

1665 MHz

2001 MHz

Memory Clock

1188 MHz

Memory

6GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

320bit

192.1GB/s

Bandwidth

760.3GB/s

Render Config

-

22

SM Count

80

1408

Shading Units

10240

88

TMUs

320

48

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

64 KB (per SM)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

6 MB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

186.5 GPixel/s

157.1 GTexel/s

Texture Rate

532.8 GTexel/s

10.05 TFLOPS

FP16 (half)

34.10 TFLOPS

5.027 TFLOPS

FP32 (float)

34.10 TFLOPS

157.1 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

120W

TDP

350W

300 W

Suggested PSU

750 W

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

TU116

GPU Name

GA102

TU116-300-A1

GPU Variant

GA102-225-A1

Turing

Architecture

Ampere

TSMC

Foundry

Samsung

12 nm

Process Size

8 nm

6.6 billion

Transistors

28.3 billion

284 mm²

Die Size

628 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

7.5

CUDA

8.6

6.6

Shader Model

6.6

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