GeForce GTX 870M and GeForce 6600 GT Dual - video card comparison
GeForce GTX 870M
GeForce 6600 GT Dual
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
N15P-GT
NV43 A2
Market segment
Laptop
Desktop
Release date
March 2014
August 2004
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Boost clock speed
967 MHz
-
Core clock speed
941 MHz
500 MHz
CUDA cores
1344
-
Floating-point performance
2,599 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
3,540 million
146 million
Pipelines / CUDA cores
1344
-
Power consumption (TDP)
100 Watt
-
Texture fill rate
108.3
4.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
6 GB
128 MB
Memory bus width
192 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
1120 MHz
Memory bandwidth
120.0 GB/s
17.92 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-