NVIDIA GeForce RTX 4070 GDDR6 vs NVIDIA GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4070 GDDR6 's Advantages
Released 12 years late
Boost Clock has increased by 179% (2475MHz vs 888MHz)
More VRAM (12GB vs 1536GB)
Larger VRAM bandwidth (480.0GB/s vs 134.4GB/s)
4736 additional rendering cores
NVIDIA GeForce GTX 660 OEM 's Advantages
Lower TDP (130W vs 200W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 GDDR6
+1324%
29.15 TFLOPS
GeForce GTX 660 OEM
2.046 TFLOPS
Graphics Card
Aug 2024
Release Date
Aug 2012
GeForce 40
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1920 MHz
Base Clock
823 MHz
2475 MHz
Boost Clock
888 MHz
2500 MHz
Memory Clock
1400 MHz
Memory
12GB
Memory Size
1536MB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
192bit
480.0GB/s
Bandwidth
134.4GB/s
Render Config
-
-
-
46
SM Count
-
5888
Shading Units
1152
184
TMUs
96
64
ROPs
24
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
36 MB
L2 Cache
384 KB
-
-
-
Theoretical Performance
158.4 GPixel/s
Pixel Rate
21.31 GPixel/s
455.4 GTexel/s
Texture Rate
85.25 GTexel/s
29.15 TFLOPS
FP16 (half)
-
29.15 TFLOPS
FP32 (float)
2.046 TFLOPS
455.4 GFLOPS
FP64 (double)
85.25 GFLOPS
Board Design
200W
TDP
130W
550 W
Suggested PSU
300 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 16-pin
Power Connectors
1x 6-pin
Graphics Processor
AD104
GPU Name
GK104
AD104-2XX-A1
GPU Variant
GK104-200-KD-A2
Ada Lovelace
Architecture
Kepler
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
35.8 billion
Transistors
3.54 billion
294 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.9
CUDA
3.0
6.8
Shader Model
5.1
