GeForce 820M and GeForce GTS 250M - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce GTS 250M
GeForce 820M
511
GeForce GTS 250M
570
GeForce 820M
GeForce GTS 250M
Architecture
Fermi (2010−2014)
GT2xx (2009−2012)
GPU code name
N15V-GM
N10E-GE
Market segment
Laptop
Laptop
Release date
January 2014
June 2009
Bus support
PCI Express 2.0
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
-
+
MXM Type
-
MXM 3.0 Type-B
Core clock speed
775 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
240.0 gflops
240 gflops
Gigaflops
-
360
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
727 million
Pipelines / CUDA cores
96
96
Power consumption (TDP)
15 Watt
28 Watt
Texture fill rate
10.00
16.00
Memory type
DDR3
DDR3, GDDR3, GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
Up to 2000 MHz
Memory bandwidth
14.4 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDMIVGALVDSSingle Link DVIDisplayPortDual Link DVI
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_0)
11.1 (10_1)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.1
Vulkan
N/A
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Power management
-
8.0