GeForce GTX 980 and GeForce 940M - video card comparison
Passmark - benchmark score GeForce GTX 980 vs GeForce 940M
GeForce GTX 980
11457
GeForce 940M
1156
GeForce GTX 980
GeForce 940M
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM204
N16S-GT-S/B
Market segment
Desktop
Laptop
Release date
September 2014
March 2015
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
-
SLI options
+
-
Boost clock speed
1216 MHz
1176 MHz
Core clock speed
1064 MHz
1072 MHz
CUDA cores
2048
-
Floating-point performance
4,981 gflops
903.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
1,870 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
165 Watt
75 Watt
Texture fill rate
144 billion/sec
28.22
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7.0 GB/s
2000 MHz
Memory bandwidth
224 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
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
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GameWorks
-
+
GeForce ShadowPlay
+
-
GPU Boost
2.0
2.0
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+