GeForce GTX 460M and GeForce 840M - video card comparison
Passmark - benchmark score GeForce GTX 460M vs GeForce 840M
GeForce GTX 460M
1283
GeForce 840M
1121
GeForce GTX 460M
GeForce 840M
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
N11E-GS
N15S-GT
Market segment
Laptop
Laptop
Release date
September 2010
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
SLI options
+
-
Boost clock speed
-
1124 MHz
Core clock speed
675 MHz
1029 MHz
Floating-point performance
518.4 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
-
Pipelines / CUDA cores
192
384
Power consumption (TDP)
50 Watt
33 Watt
Texture fill rate
16.1 billion/sec
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
1536 MB
4 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1250 MHz
2000 MHz
Memory bandwidth
60.0 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API with Feature Level 12.1
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.2
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+