GeForce GTX 980 Mobile and GeForce GTX 880M SLI - video card comparison
GeForce GTX 980 Mobile
GeForce GTX 880M SLI
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16E-GXX
N15E-GX-A2
Market segment
Laptop
Laptop
Release date
September 2014
March 2014
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
-
SLI options
+
+
Boost clock speed
1216 MHz
-
Core clock speed
1064 MHz
954 MHz
CUDA cores
2048
-
Floating-point performance
4,358 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
2x 3540 Million
Pipelines / CUDA cores
2048
3072
Power consumption (TDP)
100-200 Watt
206 Watt
Texture fill rate
144 billion/sec
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2x 8 GB
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
7.0 GB/s
5000 MHz
Memory bandwidth
224 GB/s
-
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
-
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 (FL 11_0)
CUDA
+
+
OpenCL
1.2
-
OpenGL
4.5
-
Shader Model
6.4
-
Vulkan
1.1.126
-
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+