Radeon HD 6770M and Radeon HD 6620G - video card comparison
Passmark - benchmark score Radeon HD 6770M vs Radeon HD 6620G
Radeon HD 6770M
993
Radeon HD 6620G
351
Radeon HD 6770M
Radeon HD 6620G
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Whistler-XT
Llano
Market segment
Laptop
Laptop
Release date
January 2011
June 2011
Interface
MXM-A (3.0)
IGP
Core clock speed
675 / 725 MHz
400 MHz
Floating-point performance
696.0 gflops
-
Manufacturing process technology
40 nm
32 nm
Number of transistors
716 million
1000 Million
Pipelines / CUDA cores
480
400
Power consumption (TDP)
35 Watt
35 Watt
Texture fill rate
17.40
8.880
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
57.6 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