AMD Radeon R9 M290X Mac Edition vs AMD Radeon Pro Vega 20
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 100W)
AMD Radeon Pro Vega 20 's Advantages
Released 4 years late
Boost Clock has increased by 32% (1283MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (189.4GB/s vs 174.7GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M290X Mac Edition
1.997 TFLOPS
Radeon Pro Vega 20
+64%
3.284 TFLOPS
Graphics Card
Nov 2014
Release Date
Nov 2018
Crystal System
Generation
Radeon Pro Mac
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
850 MHz
Base Clock
815 MHz
975 MHz
Boost Clock
1283 MHz
1365 MHz
Memory Clock
740 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
HBM2
256bit
Memory Bus
1024bit
174.7GB/s
Bandwidth
189.4GB/s
Render Config
16
Compute Units
20
-
-
-
1024
Shading Units
1280
64
TMUs
80
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
31.20 GPixel/s
Pixel Rate
41.06 GPixel/s
62.40 GTexel/s
Texture Rate
102.6 GTexel/s
-
FP16 (half)
6.569 TFLOPS
1.997 TFLOPS
FP32 (float)
3.284 TFLOPS
124.8 GFLOPS
FP64 (double)
205.3 GFLOPS
Board Design
80W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
Vega 12
Pitcairn PRO
(215-0828062)
GPU Variant
Vega 12 XTA
GCN 1.0
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
Unknown
212 mm²
Die Size
Unknown
Graphics Features
12 (11_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3
