Radeon R9 M395X Mac Edition vs Radeon RX 6600M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
256 additional rendering cores
Radeon RX 6600M 's Advantages
Released 6 years late
Boost Clock2416MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
3723
Radeon RX 6600M
+132%
8659
Graphics Card
May 2015
Release Date
May 2021
Crystal System
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2068 MHz
-
Boost Clock
2416 MHz
1365 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
224.0GB/s
Render Config
32
Compute Units
28
2048
Shading Units
1792
128
TMUs
112
32
ROPs
64
-
RT Cores
28
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
154.6 GPixel/s
116.4 GTexel/s
Texture Rate
270.6 GTexel/s
3.723 TFLOPS
FP16 (half)
17.32 TFLOPS
3.723 TFLOPS
FP32 (float)
8.659 TFLOPS
232.7 GFLOPS
FP64 (double)
541.2 GFLOPS
Board Design
250W
TDP
100W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
Navi 23
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
5 billion
Transistors
11.06 billion
366 mm²
Die Size
237 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.3
6.3
Shader Model
6.5
