AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 6500 XT
GPU Specs Compare
Graphics Card
Release Date
May 2015
Jan 2022
Generation
Crystal System
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1365 MHz
2248 MHz
Base Clock
-
2310 MHz
Boost Clock
-
2815 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
64bit
Bandwidth
174.7GB/s
143.9GB/s
Render Config
Compute Units
16
16
Shading Units
1024
1024
TMUs
64
64
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
1024 KB
RT Cores
-
16
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
90.08 GPixel/s
Texture Rate
61.31 GTexel/s
180.2 GTexel/s
FP32 (float)
1.962 TFLOPS
5.765 TFLOPS
FP64 (double)
122.6 GFLOPS
360.3 GFLOPS
FP16 (half)
-
11.53 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 24
GPU Variant
Pitcairn PRO(215-0828062)
Navi 24 XT(215-135000006)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.8 billion
5.4 billion
Die Size
212 mm²
107 mm²
Board Design
TDP
80W
107W
Outputs
No outputs
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Suggested PSU
-
300 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.6