AMD Radeon R9 M395X vs AMD Radeon RX 6600S
GPU Specs Compare
Graphics Card
Release Date
May 2015
Jan 2022
Generation
Crystal System
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
-
1700 MHz
Boost Clock
-
2000 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
224.0GB/s
Render Config
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
128.0 GPixel/s
Texture Rate
92.54 GTexel/s
224.0 GTexel/s
FP16 (half)
2.961 TFLOPS
14.34 TFLOPS
FP32 (float)
2.961 TFLOPS
7.168 TFLOPS
FP64 (double)
185.1 GFLOPS
448.0 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 23
GPU Variant
Amethyst XT
-
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
11.06 billion
Die Size
366 mm²
237 mm²
Board Design
TDP
75W
80W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.5
📊 Benchmark
3DMark Time Spy
2,514
7,700
3DMark Time Spy Extreme
-
3,389