
Radeon HD 8790M and Radeon RX 590 - video card comparison
Passmark - benchmark score Radeon HD 8790M vs Radeon RX 590
Radeon HD 8790M
1344
Radeon RX 590
9695
Radeon HD 8790M
Radeon RX 590
Architecture
GCN (2011−2017)
Polaris (2016−2019)
GPU code name
Mars XTX
Polaris 30
Market segment
Laptop
Desktop
Release date
November 2012
November 2018
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
900 MHz
1545 MHz
Core clock speed
850 MHz
1469 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
950 million
5,700 million
Pipelines / CUDA cores
384
2304
Power consumption (TDP)
unknown
175 Watt
Texture fill rate
21.60
222.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
8000 MHz
Memory bandwidth
64 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+