GeForce GT 645M and GeForce 8600M GT - video card comparison
Passmark - benchmark score GeForce GT 645M vs GeForce 8600M GT
GeForce GT 645M
957
GeForce 8600M GT
92
GeForce GT 645M
GeForce 8600M GT
Architecture
Kepler (2012−2018)
G8x (2007−2008)
GPU code name
N13P-GS
G84M
Market segment
Laptop
Laptop
Release date
March 2012
June 2007
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-II
Core clock speed
Up to 710 MHz
475 MHz
CUDA cores
384
-
Floating-point performance
544.5 gflops
60.8 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,270 million
289 million
Pipelines / CUDA cores
384
32
Power consumption (TDP)
32 Watt
20 Watt
Texture fill rate
22.7 billion/sec
7.600
Memory type
DDR3\GDDR5
GDDR3, GDDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 MHz
700 MHz
Memory bandwidth
Up to 64.0 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
Optimus
+
-