NVIDIA GeForce RTX 4080 12 GB vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce RTX 4080 12 GB

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock has increased by 153% (2610MHz vs 1032MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (504.2GB/s vs 144.2GB/s)

6720 additional rendering cores

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +1923%

40.09 TFLOPS

GeForce GTX 660

1.981 TFLOPS

Blender

GeForce RTX 4080 12 GB +8209%

9224

GeForce GTX 660

111

OctaneBench

GeForce RTX 4080 12 GB +3374%

938

GeForce GTX 660

27

GeForce RTX 4080 12 GB

VS

GeForce GTX 660

Graphics Card

Unknown

Release Date

Sep 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2310 MHz

Base Clock

980 MHz

2610 MHz

Boost Clock

1032 MHz

1313 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

192bit

504.2GB/s

Bandwidth

144.2GB/s

Render Config

-

60

SM Count

-

7680

Shading Units

960

240

TMUs

80

ROPs

24

240

Tensor Cores

-

60

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

384 KB

-

Theoretical Performance

208.8 GPixel/s

Pixel Rate

20.64 GPixel/s

626.4 GTexel/s

Texture Rate

82.56 GTexel/s

40.09 TFLOPS

FP16 (half)

-

40.09 TFLOPS

FP32 (float)

1.981 TFLOPS

626.4 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

285W

TDP

140W

600 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD104

GPU Name

GK106

AD104-400-A1

GPU Variant

GK106-400-A1

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

2.54 billion

295 mm²

Die Size

221 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.9

CUDA

3.0

6.6

Shader Model

5.1

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