GeForce 8600M GT and Radeon HD 8590M - video card comparison
GeForce 8600M GT
Radeon HD 8590M
Architecture
G8x (2007−2008)
GCN (2011−2017)
GPU code name
G84M
Sun
Market segment
Laptop
Laptop
Release date
June 2007
November 2012
Interface
MXM-II
PCIe 3.0 x8
Boost clock speed
-
825 MHz
Core clock speed
475 MHz
620 MHz
Floating-point performance
60.8 gflops
528.0 gflops
Manufacturing process technology
80 nm
28 nm
Number of transistors
289 million
690 million
Pipelines / CUDA cores
32
384
Power consumption (TDP)
20 Watt
-
Texture fill rate
7.600
16.50
Memory type
GDDR3, GDDR2
GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
700 MHz
4500 MHz
Memory bandwidth
12.8 GB/s
36 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_0)
12 (11_1)
CUDA
1.1
-
OpenCL
1.1
1.2
OpenGL
3.3
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.2.131