Radeon HD 6490M and Radeon RX 590 - video card comparison
Passmark - benchmark score Radeon HD 6490M vs Radeon RX 590
Radeon HD 6490M
388
Radeon RX 590
9695
Radeon HD 6490M
Radeon RX 590
Architecture
Terascale 2 (2009−2015)
Polaris (2016−2019)
GPU code name
Seymour XT
Polaris 30
Market segment
Laptop
Desktop
Release date
January 2011
November 2018
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
1545 MHz
Core clock speed
700 / 750 / 800 MHz
1469 MHz
Floating-point performance
256 gflops
-
Manufacturing process technology
40 nm
12 nm
Number of transistors
370 million
5,700 million
Pipelines / CUDA cores
160
2304
Power consumption (TDP)
-
175 Watt
Texture fill rate
6.400
222.5
Memory type
DDR3/GDDR5
GDDR5
Maximum RAM amount
512 MB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
8000 MHz
Memory bandwidth
25.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.2.131
FreeSync
-
+