Radeon HD 7660D and GeForce GT 635M - video card comparison
Passmark - benchmark score Radeon HD 7660D vs GeForce GT 635M
Radeon HD 7660D
518
GeForce GT 635M
578
Radeon HD 7660D
GeForce GT 635M
Architecture
Terascale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Trinity
N13E-GE2
Market segment
Desktop
Laptop
Release date
September 2012
December 2011
Bus support
-
PCI Express 2.0
Interface
IGP
PCIe 2.0 x16
Boost clock speed
800 MHz
753 MHz
Core clock speed
633 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
-
253.4 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1,303 million
1,170 million
Pipelines / CUDA cores
384
144
Power consumption (TDP)
100 Watt
35 Watt
Texture fill rate
19.20
Up to 16.2 billion/sec
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
Up to 192bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
Up to 43.2 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11.2 (11_0)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+