GeForce GT 540M and Radeon HD 3850 X3 - video card comparison
GeForce GT 540M
Radeon HD 3850 X3
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
N12P-GS
RV670
Market segment
Laptop
Desktop
Release date
January 2011
-
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
1x 8-pin
Core clock speed
672 MHz
669 MHz
CUDA cores
96
-
Floating-point performance
258.05 gflops
-
Manufacturing process technology
40 nm
55 nm
Number of transistors
585 million
666 million
Pipelines / CUDA cores
96
320
Power consumption (TDP)
35 Watt
145 Watt
Texture fill rate
10.8 billion/sec
10.70
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
900 MHz
1700 MBps
Memory bandwidth
28.8 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
4x DVI
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3 (full)
Shader Model5.14.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-