AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 6500M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM Radeon RX 6500M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 144.0GB/s)
AMD Radeon RX 6500M 's Advantages
Released 6 years and 8 months late
Boost Clock2400MHz
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
1.962 TFLOPS
Radeon RX 6500M
+150%
4.915 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2022
Crystal System
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x4
Clock Speeds
-
Base Clock
2000 MHz
-
Boost Clock
2400 MHz
1365 MHz
Memory Clock
2250 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
144.0GB/s
Render Config
16
Compute Units
16
-
-
-
1024
Shading Units
1024
64
TMUs
64
32
ROPs
32
-
-
-
-
RT Cores
16
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
30.66 GPixel/s
Pixel Rate
76.80 GPixel/s
61.31 GTexel/s
Texture Rate
153.6 GTexel/s
-
FP16 (half)
9.830 TFLOPS
1.962 TFLOPS
FP32 (float)
4.915 TFLOPS
122.6 GFLOPS
FP64 (double)
307.2 GFLOPS
Board Design
80W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
Navi 24
Pitcairn PRO
(215-0828062)
GPU Variant
Navi 24 XM
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
2.8 billion
Transistors
5.4 billion
212 mm²
Die Size
107 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.6
