AMD Radeon HD 7770M vs AMD Radeon HD 7950M

Comparative analysis of AMD Radeon HD 7770M and AMD Radeon HD 7950M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

AMD Radeon HD 7770M

AMD Radeon HD 7950M

Differences

Reasons to consider the AMD Radeon HD 7770M

2.3x lower typical power consumption: 32 Watt vs 75 Watt

Thermal Design Power (TDP)	32 Watt vs 75 Watt

Reasons to consider the AMD Radeon HD 7950M

Around 4% higher core clock speed: 700 MHz vs 675 MHz
2.5x more pipelines: 1280 vs 512
2x more maximum memory size: 2 GB vs 1 GB

Core clock speed	700 MHz vs 675 MHz
Pipelines	1280 vs 512
Maximum memory size	2 GB vs 1 GB

Compare specifications (specs)

	AMD Radeon HD 7770M	AMD Radeon HD 7950M
Essentials
Architecture	GCN 1.0	GCN 1.0
Code name	Chelsea	Wimbledon
Launch date	24 April 2012	24 April 2012
Place in performance rating	not rated	not rated
Type	Laptop	Laptop
Technical info
Core clock speed	675 MHz	700 MHz
Floating-point performance	691.2 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	512	1280
Texture fill rate	21.6 GTexel / s
Thermal Design Power (TDP)	32 Watt	75 Watt
Transistor count	1,500 million	2,800 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	MXM-B (3.0)
Laptop size	medium sized	large
API support
DirectX	12.0 (11_1)	12.0 (11_1)
OpenGL	4.5	4.5
Memory
Maximum RAM amount	1 GB	2 GB
Memory bandwidth	64 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	4000 MHz	4000 MHz
Memory type	GDDR5	GDDR5
Shared memory	0	0