Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA A2

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA A2

NVIDIA GeForce GTX 660 Rev. 2
VS
NVIDIA A2
NVIDIA GeForce GTX 660 Rev. 2
NVIDIA A2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A2 's Advantages
Released 7 years and 2 months late
Boost Clock has increased by 72% (1770MHz vs 1032MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (200.1GB/s vs 144.2GB/s)
320 additional rendering cores
Lower TDP (60W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
A2 +128%
4.531 TFLOPS
GeForce GTX 660 Rev. 2
VS
A2

Graphics Card

Sep 2014
Release Date
Nov 2021
GeForce 600
Generation
Quadro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

980 MHz
Base Clock
1440 MHz
1032 MHz
Boost Clock
1770 MHz
1502 MHz
Memory Clock
1563 MHz

Memory

2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
200.1GB/s

Render Config

-
-
-
-
SM Count
10
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
56.64 GPixel/s
82.56 GTexel/s
Texture Rate
70.80 GTexel/s
-
FP16 (half)
4.531 TFLOPS
1.981 TFLOPS
FP32 (float)
4.531 TFLOPS
82.56 GFLOPS
FP64 (double)
70.80 GFLOPS

Board Design

140W
TDP
60W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
GA107
-
-
-
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
3.54 billion
Transistors
Unknown
294 mm²
Die Size
Unknown

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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