GeForce GTX 960 and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 960 vs GeForce 820M
GeForce GTX 960
6254
GeForce 820M
511
GeForce GTX 960
GeForce 820M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM206
N15V-GM
Market segment
Desktop
Laptop
Release date
January 2015
January 2014
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
400 Watt
-
Supplementary power connectors
1x 6-pins
-
SLI options
+
-
Boost clock speed
1178 MHz
-
Core clock speed
1127 MHz
775 MHz
CUDA cores
1024
-
Floating-point performance
2,413 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,940 million
585 million
Pipelines / CUDA cores
1024
96
Power consumption (TDP)
120 Watt
15 Watt
Texture fill rate
72 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
7.0 GB/s
1800 MHz
Memory bandwidth
112 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
6.4
5.1
Vulkan
+
N/A
GameStream
+
-
GameWorks
+
-
GameWorks
-
+
GeForce ShadowPlay
+
-
GPU Boost
2.0
2.0
Optimus
-
+