
Radeon HD 6990M Crossfire and T550 Mobile - video card comparison
Radeon HD 6990M Crossfire
T550 Mobile
Architecture
Terascale 2 (2009−2015)
Turing (2018−2021)
GPU code name
Blackcomb XTX
TU117
Market segment
Laptop
Laptop
Release date
July 2011
May 2022
Interface
-
PCIe 3.0 x16
Boost clock speed
-
1665 MHz
Core clock speed
715 MHz
1065 MHz
Manufacturing process technology
40 nm
12 nm
Number of transistors
2x1700 Million
4,700 million
Pipelines / CUDA cores
2240
1024
Power consumption (TDP)
-
25 Watt (20 - 60 Watt TGP)
Texture fill rate
-
106.6
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
2x2 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
900 MHz
12000 MHz
Memory bandwidth
-
96 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 (12_1)
CUDA
-
7.5
OpenCL
-
3.0
OpenGL
-
4.6
Shader Model
-
6.6
Vulkan
-
1.3