Radeon RX Vega 64 and Radeon R9 M290X Mac Edition - video card comparison
Radeon RX Vega 64
Radeon R9 M290X Mac Edition
Architecture
Vega (2017−2021)
GCN 1.0 (2012−2020)
GPU code name
Vega
Pitcairn
Market segment
Desktop
Desktop
Release date
August 2017
November 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
1546 MHz
975 MHz
Core clock speed
1630 MHz
-
Floating-point performance
13,353 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
2,800 million
Pipelines / CUDA cores
4096
1024
Power consumption (TDP)
295 Watt
80 Watt
Texture fill rate
395.8
62.40
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
2048 Bit
256 Bit
Memory clock speed
945 MHz
5.5 GB/s
Memory bandwidth
483.8 GB/s
174.7 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.125
1.2