GeForce GTX 570M and GeForce 840M - video card comparison
Passmark - benchmark score GeForce GTX 570M vs GeForce 840M
GeForce GTX 570M
1919
GeForce 840M
1121
GeForce GTX 570M
GeForce 840M
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
N12E-GT
N15S-GT
Market segment
Laptop
Laptop
Release date
June 2011
March 2014
Bus support
PCI-E 2.0
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
-
1124 MHz
Core clock speed
575 MHz
1029 MHz
CUDA cores
336
-
Floating-point performance
772.8 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
-
Pipelines / CUDA cores
336
384
Power consumption (TDP)
75 Watt
33 Watt
Texture fill rate
32.2 billion/sec
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
3 MB
4 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1500 MHz
2000 MHz
Memory bandwidth
72.0 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
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
3D Blu-Ray
+
-
3D Gaming
+
-
GameWorks
-
+
GPU Boost
-
2.0
Optimus
+
+