GeForce GTX 980 Ti and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs GeForce 820M
GeForce GTX 980 Ti
14228
GeForce 820M
511
GeForce GTX 980 Ti
GeForce 820M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM200
N15V-GM
Market segment
Desktop
Laptop
Release date
June 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)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
-
SLI options
+
-
Boost clock speed
1075 MHz
-
Core clock speed
1000 MHz
775 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,000 million
585 million
Pipelines / CUDA cores
2816
96
Power consumption (TDP)
250 Watt
15 Watt
Texture fill rate
176 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
7.0 GB/s
1800 MHz
Memory bandwidth
336.5 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
4.5
4.5
Shader Model
6.4
5.1
Vulkan
1.1.126
N/A
GameStream
+
-
GameWorks
+
-
GameWorks
-
+
GeForce ShadowPlay
+
-
GPU Boost
2.0
2.0
Optimus
-
+