AMD Radeon RX 6600M vs AMD Radeon Sky 900
GPU Specs Compare
Graphics Card
Release Date
May 2021
Mar 2013
Generation
Mobility Radeon
Radeon Sky
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
2068 MHz
825 MHz
Boost Clock
2416 MHz
950 MHz
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
224.0GB/s
240.0GB/s
Render Config
Compute Units
28
28
Shading Units
1792
1792
TMUs
112
112
ROPs
64
32
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
768 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
154.6 GPixel/s
30.40 GPixel/s
Texture Rate
270.6 GTexel/s
106.4 GTexel/s
FP16 (half)
17.32 TFLOPS
-
FP32 (float)
8.659 TFLOPS
3.405 TFLOPS
FP64 (double)
541.2 GFLOPS
851.2 GFLOPS
Graphics Processor
GPU Name
Navi 23
Tahiti
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
4.313 billion
Die Size
237 mm²
352 mm²
GPU Variant
-
Orthrus
Board Design
TDP
100W
300W
Outputs
No outputs
1x DVI1x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1