NVIDIA GeForce RTX 5080 vs NVIDIA GeForce GTX 1660

VS

NVIDIA GeForce RTX 5080

NVIDIA GeForce GTX 1660

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 6GB VRAM GeForce GTX 1660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 41% (2520MHz vs 1785MHz)

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (973.8GB/s vs 192.1GB/s)

9344 additional rendering cores

NVIDIA GeForce GTX 1660 's Advantages

Lower TDP (120W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +977%

54.19 TFLOPS

GeForce GTX 1660

5.027 TFLOPS

GeForce RTX 5080

VS

GeForce GTX 1660

Graphics Card

Jan 2025

Release Date

Mar 2019

GeForce 50

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

1530 MHz

2520 MHz

Boost Clock

1785 MHz

2400 MHz

Memory Clock

2001 MHz

Memory

16GB

Memory Size

6GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

192bit

973.8GB/s

Bandwidth

192.1GB/s

Render Config

-

84

SM Count

22

10752

Shading Units

1408

336

TMUs

88

128

ROPs

48

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

64 MB

L2 Cache

1536 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

85.68 GPixel/s

846.7 GTexel/s

Texture Rate

157.1 GTexel/s

54.19 TFLOPS

FP16 (half)

10.05 TFLOPS

54.19 TFLOPS

FP32 (float)

5.027 TFLOPS

846.7 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

350W

TDP

120W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

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

1x 16-pin

Power Connectors

1x 8-pin

Graphics Processor

GB203

GPU Name

TU116

GB203-400-A1

GPU Variant

TU116-300-A1

Blackwell 2.0

Architecture

Turing

TSMC

Foundry

TSMC

0

Process Size

12 nm

Unknown

Transistors

6.6 billion

377 mm²

Die Size

284 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

10.1

CUDA

7.5

6.8

Shader Model

6.6

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