GeForce GT 240M and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GT 240M vs GeForce 820M
GeForce GT 240M
219
GeForce 820M
511
GeForce GT 240M
GeForce 820M
Architecture
GT2xx (2009−2012)
Fermi (2010−2014)
GPU code name
N10P-GS
N15V-GM
Market segment
Laptop
Laptop
Release date
June 2009
January 2014
Bus support
PCI-E 2.0
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
550 MHz
775 MHz
CUDA cores
48
-
Floating-point performance
116.16 gflops
240.0 gflops
Gigaflops
174
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
486 million
585 million
Pipelines / CUDA cores
48
96
Power consumption (TDP)
23 Watt
15 Watt
Texture fill rate
8.800
10.00
Memory type
DDR3, GDDR2, GDDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
Up to 600 (DDR2), Up to 1066 (DDR3), Up to 800 (GDDR3) MHz
1800 MHz
Memory bandwidth
25.6 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Single Link DVIDisplayPortDual Link DVIHDMIVGA
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
DirectX
11.1 (10_1)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
2.1
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+
Power management
8.0
-