Radeon RX 540 and GeForce GTX 660M - video card comparison
Passmark - benchmark score Radeon RX 540 vs GeForce GTX 660M
Radeon RX 540
2872
GeForce GTX 660M
1478
Radeon RX 540
GeForce GTX 660M
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 12
N13E-GE
Market segment
Laptop
Laptop
Release date
March 2017
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
-
SLI options
-
+
Boost clock speed
1219 MHz
950 MHz
Core clock speed
-
835 MHz
CUDA cores
-
384
Floating-point performance
1,248 gflops
729.6 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
75 Watt
50 Watt
Texture fill rate
39.01
30.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
6000 MHz
2000 MHz
Memory bandwidth
96 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12.0
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.0
5.1
Vulkan
-
1.1.126
FreeSync
+
-
Optimus
-
+