GeForce GT 640M and Quadro K1000M - video card comparison
Passmark - benchmark score GeForce GT 640M vs Quadro K1000M
GeForce GT 640M
943
Quadro K1000M
804
GeForce GT 640M
Quadro K1000M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N13P-GS
N14P-Q1
Market segment
Laptop
Mobile workstation
Release date
March 2012
June 2012
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-A (3.0)
Boost clock speed
645 MHz
-
Core clock speed
Up to 625 MHz
850 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
326.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,270 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
32 Watt
45 Watt
Texture fill rate
Up to 20.0 billion/sec
13.60
Memory type
DDR3\GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
1800 MHz
Memory bandwidth
Up to 64.0 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
+
3D Blu-Ray
+
-
Optimus
+
+