GeForce GTX 860M and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 860M vs GeForce 820M
GeForce GTX 860M
3127
GeForce 820M
511
GeForce GTX 860M
GeForce 820M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N15P-GX
N15V-GM
Market segment
Laptop
Laptop
Release date
March 2014
January 2014
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
915 MHz
-
Core clock speed
797 MHz
775 MHz
CUDA cores
1152 or 640
-
Floating-point performance
1,389 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
585 million
Pipelines / CUDA cores
640
96
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
43.40
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
Up to 2500 MHz
1800 MHz
Memory bandwidth
80.0 GB/s
14.4 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
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
Ansel
+
-
GameWorks
-
+
GPU Boost
-
2.0
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
+
-