Radeon R9 M270X and GeForce GT 635M - video card comparison
Passmark - benchmark score Radeon R9 M270X vs GeForce GT 635M
Radeon R9 M270X
1240
GeForce GT 635M
578
Radeon R9 M270X
GeForce GT 635M
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Venus
N13E-GE2
Market segment
Desktop
Laptop
Release date
March 2014
December 2011
Bus support
PCIe 3.0 x16
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Boost clock speed
775 MHz
753 MHz
Compute units
10
-
Core clock speed
725 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
1,536 gflops
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,170 million
Pipelines / CUDA cores
640
144
Power consumption (TDP)
-
35 Watt
Texture fill rate
31.00
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
Up to 192bit
Memory clock speed
1125 MHz
1800 MHz
Memory bandwidth
72 GB/s
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-