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GPU Comparison
AMD Radeon Pro 555X vs AMD Radeon RX 6800M
AMD Radeon Pro 555X vs AMD Radeon RX 6800M
VS
AMD Radeon Pro 555X
AMD Radeon RX 6800M
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555X 's Advantages
Lower TDP (75W vs 145W)
AMD Radeon RX 6800M 's Advantages
Released 2 years and 10 months late
Boost Clock2390MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 94.08GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Pro 555X
1.393 TFLOPS
Radeon RX 6800M
+778%
12.24 TFLOPS
Radeon Pro 555X
VS
Radeon RX 6800M
Graphics Card
Jul 2018
Release Date
May 2021
Radeon Pro Mac
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2116 MHz
-
Boost Clock
2390 MHz
1470 MHz
Memory Clock
2000 MHz
Memory
4GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
192bit
94.08GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
12
Compute Units
40
768
Shading Units
2560
48
TMUs
160
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
40
16 KB (per CU)
L1 Cache
128 KB per Array
1024 KB
L2 Cache
3 MB
Theoretical Performance
14.51 GPixel/s
Pixel Rate
153.0 GPixel/s
43.54 GTexel/s
Texture Rate
382.4 GTexel/s
1393 GFLOPS
FP16 (half)
24.47 TFLOPS
1393 GFLOPS
FP32 (float)
12.24 TFLOPS
87.07 GFLOPS
FP64 (double)
764.8 GFLOPS
Graphics Processor
Polaris 21
GPU Name
Navi 22
Polaris 21 PRO
GPU Variant
Navi 22 XTM
GCN 4.0
Architecture
RDNA 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
7 nm
3 billion
Transistors
17.2 billion
123 mm²
Die Size
335 mm²
Board Design
75W
TDP
145W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.3
-
CUDA
-
6.4
Shader Model
6.5
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