AMD Radeon R9 M485X vs AMD Radeon RX 6600M
GPU · Specs Compare
Graphics Card
Release Date
May 2016
May 2021
Generation
Crystal System
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
—
2068 MHz
Boost Clock
—
2416 MHz
Memory
Memory Size
8GB
8GB
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
154.6 GPixel/s
Texture Rate
92.54 GTexel/s
270.6 GTexel/s
FP16 (half)
2.961 TFLOPS
17.32 TFLOPS
FP32 (float)
2.961 TFLOPS
8.659 TFLOPS
FP64 (double)
185.1 GFLOPS
541.2 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
250W
100W
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.