NVIDIA GeForce GTX 660 vs NVIDIA A30 PCIe

VS

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 24GB VRAM A30 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 165W)

NVIDIA A30 PCIe 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 40% (1440MHz vs 1032MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (933.1GB/s vs 144.2GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

A30 PCIe +420%

10.32 TFLOPS

Blender

GeForce GTX 660

124

A30 PCIe +1541%

2036

GeForce GTX 660

VS

A30 PCIe

Graphics Card

Sep 2012

Release Date

Apr 2021

GeForce 600

Generation

Tesla Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

930 MHz

1032 MHz

Boost Clock

1440 MHz

1502 MHz

Memory Clock

1215 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

HBM2e

192bit

Memory Bus

3072bit

144.2GB/s

Bandwidth

933.1GB/s

Render Config

-

SM Count

56

-

Compute Units

-

960

Shading Units

3584

80

TMUs

224

24

ROPs

96

-

Tensor Cores

224

-

RT Cores

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

384 KB

L2 Cache

24 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

138.2 GPixel/s

82.56 GTexel/s

Texture Rate

322.6 GTexel/s

-

FP16 (half)

10.32 TFLOPS

1.981 TFLOPS

FP32 (float)

10.32 TFLOPS

82.56 GFLOPS

FP64 (double)

5.161 TFLOPS

Graphics Processor

GK106

GPU Name

GA100

GK106-400-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.54 billion

Transistors

54.2 billion

221 mm²

Die Size

826 mm²

Board Design

140W

TDP

165W

300 W

Suggested PSU

450 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

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.0

CUDA

8.0

5.1

Shader Model

N/A

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