GeForce GTX 980M and Radeon 550X Mobile - video card comparison
GeForce GTX 980M
Radeon 550X Mobile
Architecture
Maxwell (2014−2018)
GCN 4.0 (2016−2020)
GPU code name
GM204
Polaris 23
Market segment
Laptop
Laptop
Release date
October 2014
April 2018
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
1127 MHz
1287 MHz
Core clock speed
1038 MHz
1100 MHz
CUDA cores
1536
-
Floating-point performance
3,462 gflops
1,647 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
5,200 million
2,200 million
Pipelines / CUDA cores
1536
640
Power consumption (TDP)
unknown
50 Watt
Texture fill rate
51.84
51.48
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
2500 MHz
6000 MHz
Memory bandwidth
160 GB/s
48 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.4
Vulkan
1.1.126
1.2.131
Ansel
+
-
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-