AMD Radeon RX 6800 3456SP vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Unknown
Apr 2018
Generation
Navi II
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1700 MHz
1100 MHz
Boost Clock
2250 MHz
1287 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
64bit
Bandwidth
512.0GB/s
48.00GB/s
Render Config
Compute Units
54
10
Shading Units
3456
640
TMUs
216
40
ROPs
96
16
RT Cores
54
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
216.0 GPixel/s
20.59 GPixel/s
Texture Rate
486.0 GTexel/s
51.48 GTexel/s
FP16 (half)
31.10 TFLOPS
1.647 TFLOPS
FP32 (float)
15.55 TFLOPS
1.647 TFLOPS
FP64 (double)
972.0 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 23
GPU Variant
Navi 21 ES(215-121000066)
Polaris 23 MXT
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
2.2 billion
Die Size
520 mm²
103 mm²
Board Design
TDP
250W
50W
Suggested PSU
600 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.4