Radeon HD 6850M and Radeon RX 6600M - video card comparison
Radeon HD 6850M
Radeon RX 6600M
Architecture
Terascale 2 (2009−2015)
RDNA 2 (2020−2022)
GPU code name
Granville Pro/LP
R21M-E65-70
Market segment
Laptop
Laptop
Release date
January 2011
September 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
2177 MHz
Core clock speed
575 / 675 MHz
2068 MHz
Floating-point performance
1,080.0 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
1,040 million
11,060 million
Pipelines / CUDA cores
800
1792
Power consumption (TDP)
50 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
27.00
235.8
Memory type
DDR3, GDDR5
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
14000 MHz
Memory bandwidth
25.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2