Radeon HD 7640G and Radeon HD 7550M - video card comparison
Passmark - benchmark score Radeon HD 7640G vs Radeon HD 7550M
Radeon HD 7640G
473
Radeon HD 7550M
478
Radeon HD 7640G
Radeon HD 7550M
Architecture
Terascale 3 (2010−2013)
Terascale 2 (2009−2015)
GPU code name
Trinity
Thames-LP / Pro
Market segment
Laptop
Laptop
Release date
May 2012
January 2012
Interface
IGP
PCIe 2.0 x16
Boost clock speed
686 MHz
550 MHz
Core clock speed
497 MHz
450 MHz
Floating-point performance
-
480.0 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1,303 million
716 million
Pipelines / CUDA cores
256
400
Power consumption (TDP)
35 Watt
14 Watt
Texture fill rate
10.96
12.00
Memory type
System Shared
GDDR5 / DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
3200 / 1800 MHz
Memory bandwidth
-
28.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A