AMD Radeon RX 550X Mobile vs AMD Radeon PRO W7900D

GPU · Specs Compare

Products
GPU AMD Radeon RX 550X Mobile AMD · 2018-04
GPU AMD Radeon PRO W7900D AMD · 2025-09
Graphics Card
Release Date
Apr 2018
Nov 2025
Generation
Mobility Radeon
Radeon Pro Navi
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1100 MHz
1327 MHz
Boost Clock
1176 MHz
2156 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
2GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
384bit
Bandwidth
48.00GB/s
864.0GB/s
Render Config
Compute Units
10
96
Shading Units
640
6144
TMUs
40
384
ROPs
16
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
512 KB
6 MB
RT Cores
—
96
L3 Cache
—
96 MB
Theoretical Performance
Pixel Rate
18.82 GPixel/s
414.0 GPixel/s
Texture Rate
47.04 GTexel/s
827.9 GTexel/s
FP16 (half)
1.505 TFLOPS
106.0 TFLOPS
FP32 (float)
1.505 TFLOPS
52.99 TFLOPS
FP64 (double)
94.08 GFLOPS
1.656 TFLOPS
Graphics Processor
GPU Name
Polaris 23
Navi 31
GPU Variant
Polaris 23 MXT
Navi 31
Architecture
GCN 4.0
RDNA 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
2.2 billion
57.7 billion
Die Size
103 mm²
529 mm²
Board Design
TDP
50W
295W
Outputs
No outputs
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
None
2x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.4
Shader Model
6.4
6.9
▲ Specs Compare Data sourced from official specifications and benchmark tests.