Quadro K3100M and GeForce GT 640M - video card comparison
Passmark - benchmark score Quadro K3100M vs GeForce GT 640M
Quadro K3100M
2333
GeForce GT 640M
946
Quadro K3100M
GeForce GT 640M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N15E-Q1-A2
N13P-GS
Market segment
Mobile workstation
Laptop
Release date
July 2013
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Boost clock speed
-
645 MHz
Core clock speed
706 MHz
Up to 625 MHz
CUDA cores
-
384
Floating-point performance
1,084 gflops
480.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,270 million
Pipelines / CUDA cores
768
384
Power consumption (TDP)
75 Watt
32 Watt
Texture fill rate
45.18
Up to 20.0 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
3200 MHz
1800 - 4000 MHz
Memory bandwidth
102.4 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Display Port
1.2
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
5
5.1
Vulkan
+
1.1.126
3D Blu-Ray
-
+
3D Vision Pro
+
-
Mosaic
+
-
nView Display Management
+
-
Optimus
+
+
Optimus
+
-