Radeon RX 550 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score Radeon RX 550 vs GeForce GT 640M LE
Radeon RX 550
2809
GeForce GT 640M LE
720
Radeon RX 550
GeForce GT 640M LE
Architecture
GCN 4.0 (2016−2020)
Fermi / Kepler (2012)
GPU code name
Lexa
N13P-LP
Market segment
Desktop
Laptop
Release date
April 2017
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
Up to 500 MHz
CUDA cores
-
Up to 384
Floating-point performance
1,211 gflops
384.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
585 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
50 Watt
20 Watt
Texture fill rate
37.86
Up to 16.0 billion/sec
Memory type
GDDR5
DDR3\DDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
7000 MHz
1800 - 4000 MHz
Memory bandwidth
112.0 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
Optimus
-
+