NVIDIA Tesla X2070 vs AMD Radeon HD 6990M Crossfire

Comparative analysis of NVIDIA Tesla X2070 and AMD Radeon HD 6990M Crossfire videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA Tesla X2070

AMD Radeon HD 6990M Crossfire

Differences

Reasons to consider the NVIDIA Tesla X2070

Around 50% higher maximum memory size: 6 GB vs 2x2 GB
4.1x more memory clock speed: 3700 MHz vs 900 MHz

Maximum memory size	6 GB vs 2x2 GB
Memory clock speed	3700 MHz vs 900 MHz

Reasons to consider the AMD Radeon HD 6990M Crossfire

Around 10% higher core clock speed: 715 MHz vs 650 MHz
4.4x more pipelines: 2240 vs 512

Core clock speed	715 MHz vs 650 MHz
Pipelines	2240 vs 512

Compare specifications (specs)

	NVIDIA Tesla X2070	AMD Radeon HD 6990M Crossfire
Essentials
Architecture	Fermi 2.0	Terascale 2
Code name	GF110	Blackcomb XTX
Launch date	25 July 2011	12 July 2011
Place in performance rating	not rated	not rated
Type	Workstation	Laptop
Technical info
Core clock speed	650 MHz	715 MHz
Floating-point performance	1,331.2 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	512	2240
Texture fill rate	36.4 GTexel / s
Thermal Design Power (TDP)	225 Watt
Transistor count	3,000 million	2x1700 Million
Video outputs and ports
Display Connectors	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Laptop size		large
API support
DirectX	12.0 (11_0)	11
OpenGL	4.6
Memory
Maximum RAM amount	6 GB	2x2 GB
Memory bandwidth	177.6 GB / s
Memory bus width	384 Bit	256 Bit
Memory clock speed	3700 MHz	900 MHz
Memory type	GDDR5	GDDR5
Shared memory		0