NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce RTX 3060 GA104
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Sep 2021
Generation
GeForce 600
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
915 MHz
1320 MHz
Boost Clock
980 MHz
1777 MHz
Memory Clock
1502 MHz
1875 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
360.0GB/s
Render Config
Shading Units
1344
3584
TMUs
112
112
ROPs
24
48
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
3 MB
SM Count
—
28
Tensor Cores
—
112
RT Cores
—
28
Theoretical Performance
Pixel Rate
27.44 GPixel/s
85.30 GPixel/s
Texture Rate
109.8 GTexel/s
199.0 GTexel/s
FP32 (float)
2.634 TFLOPS
12.74 TFLOPS
FP64 (double)
109.8 GFLOPS
199.0 GFLOPS
FP16 (half)
—
12.74 TFLOPS
Graphics Processor
GPU Name
GK104
GA104
GPU Variant
GK104-300-KD-A2
GA104-150-A1
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
17.4 billion
Die Size
294 mm²
392 mm²
Board Design
TDP
150W
170W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 12-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
8.6
Shader Model
5.1
6.6
Benchmark
3DMark Time Spy
—
8,935
3DMark Time Spy Extreme
—
4,231
▲ Specs Compare
Data sourced from official specifications and benchmark tests.