GeForce GTX 260M and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 260M vs GeForce 820M
GeForce GTX 260M
390
GeForce 820M
511
GeForce GTX 260M
GeForce 820M
Architecture
G9x (2007−2010)
Fermi (2010−2014)
GPU code name
N10E-GT
N15V-GM
Market segment
Laptop
Laptop
Release date
March 2009
January 2014
Bus support
PCI-E 2.0
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
2-way
-
MXM Type
MXM 3.0 Type-B
-
Core clock speed
550 MHz
775 MHz
CUDA cores
112
-
Floating-point performance
308 gflops
240.0 gflops
Gigaflops
462
-
Manufacturing process technology
55 nm
28 nm
Number of transistors
754 million
585 million
Pipelines / CUDA cores
112
96
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
31 billion/sec
10.00
Memory type
GDDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
Up to 950 MHz
1800 MHz
Memory bandwidth
61 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
DisplayPortSingle Link DVIDual Link DVIVGALVDSHDMI
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
2.1
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+
Power management
8.0
-