
GeForce GT 240M and GeForce GT 555M 2 GB - video card comparison
GeForce GT 240M
GeForce GT 555M 2 GB
Architecture
GT2xx (2009−2012)
Fermi 2.0 (2010−2014)
GPU code name
N10P-GS
GF116
Market segment
Laptop
Desktop
Release date
June 2009
March 2012
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
550 MHz
675 MHz
CUDA cores
48
-
Floating-point performance
116.16 gflops
-
Gigaflops
174
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
486 million
1,170 million
Pipelines / CUDA cores
48
144
Power consumption (TDP)
23 Watt
35 Watt
Texture fill rate
8.800
16.20
Memory type
DDR3, GDDR2, GDDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 600 (DDR2), Up to 1066 (DDR3), Up to 800 (GDDR3) MHz
1800 MBps
Memory bandwidth
25.6 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
Single Link DVIDisplayPortDual Link DVIHDMIVGA
Portable Device Dependent
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
DirectX
11.1 (10_1)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
2.1
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A
Power management
8.0
-