GeForce GTX 1070 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score GeForce GTX 1070 vs GeForce GT 640M LE
GeForce GTX 1070
13916
GeForce GT 640M LE
720
GeForce GTX 1070
GeForce GT 640M LE
Architecture
Pascal (2016−2021)
Fermi / Kepler (2012)
GPU code name
Pascal GP104
N13P-LP
Market segment
Desktop
Laptop
Release date
May 2016
March 2012
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
-
SLI options
+
-
Boost clock speed
1683 MHz
-
Core clock speed
1506 MHz
Up to 500 MHz
CUDA cores
1920
Up to 384
Floating-point performance
6,463 gflops
384.0 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
585 million
Pipelines / CUDA cores
1920
384
Power consumption (TDP)
150 Watt
20 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
202.0
Up to 16.0 billion/sec
Memory type
GDDR5
DDR3\DDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
8 GB/s
1800 - 4000 MHz
Memory bandwidth
256 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, Dual Link-DVI
No outputs
Multi monitor support
+
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12 (12_1)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
6.4
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
Ansel
+
-
GPU Boost
3.0
-
Optimus
-
+
VR Ready
+
-