NVIDIA GeForce GTX 1070 GDDR5X vs NVIDIA GeForce GTX 660
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1070 GDDR5X and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1070 GDDR5X 's Advantages
Released 6 years and 3 months late
Boost Clock has increased by 63% (1683MHz vs 1032MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 144.2GB/s)
960 additional rendering cores
NVIDIA GeForce GTX 660 's Advantages
Lower TDP (140W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 1070 GDDR5X
+226%
6.463 TFLOPS
GeForce GTX 660
1.981 TFLOPS
3DMark Time Spy
GeForce GTX 1070 GDDR5X
+409%
6078
GeForce GTX 660
1194
3DMark Time Spy Extreme
GeForce GTX 1070 GDDR5X
+986%
2825
GeForce GTX 660
260
Blender
GeForce GTX 1070 GDDR5X
+491%
657
GeForce GTX 660
111
OctaneBench
GeForce GTX 1070 GDDR5X
+325%
115
GeForce GTX 660
27
Graphics Card
Dec 2018
Release Date
Sep 2012
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1506 MHz
Base Clock
980 MHz
1683 MHz
Boost Clock
1032 MHz
1001 MHz
Memory Clock
1502 MHz
Memory
8GB
Memory Size
2GB
GDDR5X
Memory Type
GDDR5
256bit
Memory Bus
192bit
256.3GB/s
Bandwidth
144.2GB/s
Render Config
-
-
-
15
SM Count
-
1920
Shading Units
960
120
TMUs
80
64
ROPs
24
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
384 KB
-
-
-
Theoretical Performance
107.7 GPixel/s
Pixel Rate
20.64 GPixel/s
202.0 GTexel/s
Texture Rate
82.56 GTexel/s
101.0 GFLOPS
FP16 (half)
-
6.463 TFLOPS
FP32 (float)
1.981 TFLOPS
202.0 GFLOPS
FP64 (double)
82.56 GFLOPS
Board Design
150W
TDP
140W
450 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GP104
GPU Name
GK106
GP104-200-A1
GPU Variant
GK106-400-A1
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
2.54 billion
314 mm²
Die Size
221 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.0
6.4
Shader Model
5.1
