GeForce GTX 660 Ti vs RTX A4000H
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000H 's Advantages
Released 8 years and 8 months late
Boost Clock has increased by 59% (1560MHz vs 980MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 144.2GB/s)
4800 additional rendering cores
Lower TDP (140W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
RTX A4000H
+627%
19170
Graphics Card
Aug 2012
Release Date
Apr 2021
GeForce 600
Generation
Quadro Ampere
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
915 MHz
Base Clock
735 MHz
980 MHz
Boost Clock
1560 MHz
1502 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
448.0GB/s
Render Config
-
SM Count
48
1344
Shading Units
6144
112
TMUs
192
24
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per SMX)
L1 Cache
128 KB (per SM)
384 KB
L2 Cache
4 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
149.8 GPixel/s
109.8 GTexel/s
Texture Rate
299.5 GTexel/s
-
FP16 (half)
19.17 TFLOPS
2.634 TFLOPS
FP32 (float)
19.17 TFLOPS
109.8 GFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
150W
TDP
140W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
4x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
GA104
GK104-300-KD-A2
GPU Variant
GA104-???-A1
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
3.54 billion
Transistors
17.4 billion
294 mm²
Die Size
392 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
6.7
