GeForce GTX 870M and GeForce GTX 670MX - video card comparison
Passmark - benchmark score GeForce GTX 870M vs GeForce GTX 670MX
GeForce GTX 870M
3552
GeForce GTX 670MX
2005
GeForce GTX 870M
GeForce GTX 670MX
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N15P-GT
N13E-GR
Market segment
Laptop
Laptop
Release date
March 2014
October 2012
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
+
+
Boost clock speed
967 MHz
-
Core clock speed
941 MHz
600 MHz
CUDA cores
1344
960
Floating-point performance
2,599 gflops
1,154 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
3,540 million
Pipelines / CUDA cores
1344
960
Power consumption (TDP)
100 Watt
75 Watt
Texture fill rate
108.3
48.0 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
3 GB
Memory bus width
192 Bit
192 Bit
Memory clock speed
Up to 2500 MHz
1400 MHz
Memory bandwidth
120.0 GB/s
67.2 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
No outputs
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
+
-
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
+
-