
Radeon RX 490M and GeForce 8600M GT SLI - video card comparison
Radeon RX 490M
GeForce 8600M GT SLI
Architecture
Polaris (2016−2019)
G8x (2007−2008)
GPU code name
Polaris
NB8P-GS
Market segment
Laptop
Laptop
Release date
August 2016
October 2007
Core clock speed
-
475 MHz
Manufacturing process technology
14 nm
80 nm
Number of transistors
-
598 Million
Pipelines / CUDA cores
-
64
Power consumption (TDP)
-
20 Watt
Memory type
GDDR5
GDDR3, GDDR2
Maximum RAM amount
-
1 GB
Memory bus width
-
128 Bit
Memory clock speed
-
700 MHz
Shared memory
-
-
DirectX
12
10