GeForce GTX 750 and GeForce 840M - video card comparison
Passmark - benchmark score GeForce GTX 750 vs GeForce 840M
GeForce GTX 750
3450
GeForce 840M
1121
GeForce GTX 750
GeForce 840M
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM107
N15S-GT
Market segment
Desktop
Laptop
Release date
February 2014
March 2014
Bus support
PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1085 MHz
1124 MHz
Core clock speed
1020 MHz
1029 MHz
CUDA cores
512
-
Floating-point performance
1,111 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
512
384
Power consumption (TDP)
55 Watt
33 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
34.72
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5.0 GB/s
2000 MHz
Memory bandwidth
80 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One mini-HDMI
No outputs
Multi monitor support
3 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+