GeForce GTX 860M and Radeon HD 7640G + HD 7670M Dual Graphics - video card comparison
GeForce GTX 860M
Radeon HD 7640G + HD 7670M Dual Graphics
Architecture
Maxwell (2014−2018)
Terascale 3 (2010−2013)
GPU code name
N15P-GX
-
Market segment
Laptop
Laptop
Release date
March 2014
May 2012
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
915 MHz
-
Core clock speed
797 MHz
655 / 600 MHz
CUDA cores
1152 or 640
-
Floating-point performance
1,389 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
640
736
Power consumption (TDP)
75 Watt
-
Texture fill rate
43.40
-
Memory type
GDDR5
-
Maximum RAM amount
4 GB
-
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
1800 MHz
Memory bandwidth
80.0 GB/s
-
Shared memory
-
+
Standard memory configuration
GDDR5
-
Display Connectors
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
+
-
DirectX
12 (11_0)
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-