GeForce GTX 950 and GeForce 840M - video card comparison
Passmark - benchmark score GeForce GTX 950 vs GeForce 840M
GeForce GTX 950
5498
GeForce 840M
1121
GeForce GTX 950
GeForce 840M
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM206
N15S-GT
Market segment
Desktop
Laptop
Release date
August 2015
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
Recommended system power (PSU)
350 Watt
-
Supplementary power connectors
1x 6-pins
-
SLI options
+
-
Boost clock speed
1188 MHz
1124 MHz
Core clock speed
1024 MHz
1029 MHz
CUDA cores
768
-
Floating-point performance
1,825 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,940 million
-
Pipelines / CUDA cores
768
384
Power consumption (TDP)
90 Watt
33 Watt
Texture fill rate
49.2 billion/sec
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6.6 GB/s
2000 MHz
Memory bandwidth
105.6 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
6.4
5.1
Vulkan
1.1.126
1.1.126
GameStream
+
-
GameWorks
+
-
GameWorks
-
+
GeForce ShadowPlay
+
-
GPU Boost
2.0
2.0
Optimus
-
+