Radeon HD 7640G and Radeon 8500 X4 - video card comparison
Radeon HD 7640G
Radeon 8500 X4
Architecture
Terascale 3 (2010−2013)
Rage 7 (2001−2006)
GPU code name
Trinity
R200
Market segment
Laptop
Desktop
Release date
May 2012
-
Interface
IGP
PCI-X
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
250 MHz
Manufacturing process technology
32 nm
150 nm
Number of transistors
1,303 million
60 million
Pipelines / CUDA cores
256
-
Power consumption (TDP)
35 Watt
92 Watt
Texture fill rate
10.96
2.000
Memory type
System Shared
DDR
Maximum RAM amount
System Shared
64 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
500 MBps
Memory bandwidth
-
4 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI
DirectX
11.2 (11_0)
8.1
OpenCL
1.2
N/A
OpenGL
4.4
1.3
Shader Model
5.0
-
Vulkan
N/A
N/A