AMD Radeon RX 6550M vs AMD Radeon R9 390
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jun 2015
Generation
Navi Mobile
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
—
Boost Clock
2840 MHz
—
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
512bit
Bandwidth
144.0GB/s
384.0GB/s
Render Config
Compute Units
16
40
Shading Units
1024
2560
TMUs
64
160
ROPs
32
64
RT Cores
16
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
L3 Cache
16 MB
—
Theoretical Performance
Pixel Rate
90.88 GPixel/s
64.00 GPixel/s
Texture Rate
181.8 GTexel/s
160.0 GTexel/s
FP16 (half)
11.63 TFLOPS
—
FP32 (float)
5.816 TFLOPS
5.120 TFLOPS
FP64 (double)
363.5 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Navi 24
Grenada
GPU Variant
Navi 24
Grenada PRO(215-0880030)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
5.4 billion
6.2 billion
Die Size
107 mm²
438 mm²
Board Design
TDP
80W
275W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3
Benchmark
Blender
381
—
3DMark Time Spy
—
3,964
3DMark Time Spy Extreme
—
1,931
▲ Specs Compare
Data sourced from official specifications and benchmark tests.