NVIDIA GeForce RTX 4080 Ti vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce RTX 4080 Ti NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 4080 Ti and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 170% (2400MHz vs 888MHz)

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (848.0GB/s vs 134.4GB/s)

12928 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 400W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +3203%

67.58 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce RTX 4080 Ti

VS

GeForce GTX 660 OEM

Graphics Card

Unknown

Release Date

Aug 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

823 MHz

2400 MHz

Boost Clock

888 MHz

1325 MHz

Memory Clock

1400 MHz

Memory

20GB

Memory Size

1536MB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

192bit

848.0GB/s

Bandwidth

134.4GB/s

Render Config

110

SM Count

-

Compute Units

-

14080

Shading Units

1152

440

TMUs

96

144

ROPs

24

440

Tensor Cores

-

110

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

80 MB

L2 Cache

384 KB

Theoretical Performance

345.6 GPixel/s

Pixel Rate

21.31 GPixel/s

1056 GTexel/s

Texture Rate

85.25 GTexel/s

67.58 TFLOPS

FP16 (half)

-

67.58 TFLOPS

FP32 (float)

2.046 TFLOPS

1056 GFLOPS

FP64 (double)

85.25 GFLOPS

Graphics Processor

AD102

GPU Name

GK104

AD102-225-A1

GPU Variant

GK104-200-KD-A2

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

3.54 billion

609 mm²

Die Size

294 mm²

Board Design

400W

TDP

130W

800 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 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

6.7

Shader Model

5.1

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