NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 4080

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce RTX 4080

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 16GB VRAM GeForce RTX 4080 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 320W)

NVIDIA GeForce RTX 4080 's Advantages

Released 8 years late

Boost Clock has increased by 143% (2505MHz vs 1032MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (716.8GB/s vs 144.2GB/s)

8768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce RTX 4080 +2360%

48.74 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce RTX 4080

Graphics Card

Sep 2014

Release Date

Sep 2022

GeForce 600

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

2205 MHz

1032 MHz

Boost Clock

2505 MHz

1502 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

716.8GB/s

Render Config

-

SM Count

76

960

Shading Units

9728

80

TMUs

304

24

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

64 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

280.6 GPixel/s

82.56 GTexel/s

Texture Rate

761.5 GTexel/s

-

FP16 (half)

48.74 TFLOPS

1.981 TFLOPS

FP32 (float)

48.74 TFLOPS

82.56 GFLOPS

FP64 (double)

761.5 GFLOPS

Board Design

140W

TDP

320W

300 W

Suggested PSU

700 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

AD103

-

GPU Variant

AD103-300-A1

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

3.54 billion

Transistors

45.9 billion

294 mm²

Die Size

379 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

8.9

5.1

Shader Model

6.7

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