NVIDIA GeForce GTX 660 vs NVIDIA A16 PCIe

VS

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 16GB VRAM A16 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 250W)

NVIDIA A16 PCIe 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 64% (1695MHz vs 1032MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (231.9GB/s vs 144.2GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

A16 PCIe +119%

4.339 TFLOPS

Blender

GeForce GTX 660

124

A16 PCIe +311%

510

GeForce GTX 660

VS

A16 PCIe

Graphics Card

Sep 2012

Release Date

Apr 2021

GeForce 600

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

980 MHz

Base Clock

885 MHz

1032 MHz

Boost Clock

1695 MHz

1502 MHz

Memory Clock

1812 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

231.9GB/s

Render Config

-

SM Count

10

-

Compute Units

-

960

Shading Units

1280

80

TMUs

40

24

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

2 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

54.24 GPixel/s

82.56 GTexel/s

Texture Rate

67.80 GTexel/s

-

FP16 (half)

4.339 TFLOPS

1.981 TFLOPS

FP32 (float)

4.339 TFLOPS

82.56 GFLOPS

FP64 (double)

135.6 GFLOPS

Graphics Processor

GK106

GPU Name

GA107

GK106-400-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

Unknown

221 mm²

Die Size

Unknown

Board Design

140W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

No outputs

1x 6-pin

Power Connectors

8-pin EPS

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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