AMD Radeon R9 M395 Mac Edition vs AMD Radeon RX 6600S
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600S 's Advantages
Released 6 years and 8 months late
Boost Clock2000MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)
Lower TDP (80W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395 Mac Edition
2.989 TFLOPS
Radeon RX 6600S
+139%
7.168 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2022
Crystal System
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1700 MHz
-
Boost Clock
2000 MHz
1365 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
224.0GB/s
Render Config
28
Compute Units
28
-
-
-
1792
Shading Units
1792
112
TMUs
112
32
ROPs
64
-
-
-
-
RT Cores
28
-
L1 Cache
128 KB per Array
-
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
26.69 GPixel/s
Pixel Rate
128.0 GPixel/s
93.41 GTexel/s
Texture Rate
224.0 GTexel/s
-
FP16 (half)
14.34 TFLOPS
2.989 TFLOPS
FP32 (float)
7.168 TFLOPS
373.6 GFLOPS
FP64 (double)
448.0 GFLOPS
Board Design
250W
TDP
80W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
Navi 23
Amethyst PRO
(216-0872004)
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
