NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce RTX 3080

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 320W)

NVIDIA GeForce RTX 3080 's Advantages

Released 8 years and 1 months late

Boost Clock has increased by 93% (1710MHz vs 888MHz)

More VRAM (10GB vs 1536GB)

Larger VRAM bandwidth (760.3GB/s vs 134.4GB/s)

7552 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce RTX 3080 +1355%

29.77 TFLOPS

GeForce GTX 660 OEM

VS

GeForce RTX 3080

Graphics Card

Aug 2012

Release Date

Sep 2020

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

823 MHz

Base Clock

1440 MHz

888 MHz

Boost Clock

1710 MHz

1400 MHz

Memory Clock

1188 MHz

Memory

1536MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

320bit

134.4GB/s

Bandwidth

760.3GB/s

Render Config

-

SM Count

68

1152

Shading Units

8704

96

TMUs

272

24

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

5 MB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

164.2 GPixel/s

85.25 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

2.046 TFLOPS

FP32 (float)

29.77 TFLOPS

85.25 GFLOPS

FP64 (double)

465.1 GFLOPS

Board Design

130W

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 12-pin

Graphics Processor

GK104

GPU Name

GA102

GK104-200-KD-A2

GPU Variant

GA102-200-KD-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

3.54 billion

Transistors

28.3 billion

294 mm²

Die Size

628 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

8.6

5.1

Shader Model

6.6

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