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GPU Comparison
AMD Radeon Pro 555 vs AMD Radeon Pro 580
AMD Radeon Pro 555 vs AMD Radeon Pro 580
VS
AMD Radeon Pro 555
AMD Radeon Pro 580
We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 8GB VRAM Radeon Pro 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555 's Advantages
Lower TDP (75W vs 185W)
AMD Radeon Pro 580 's Advantages
Boost Clock1200MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (217.0GB/s vs 81.60GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Pro 555
1.306 TFLOPS
Radeon Pro 580
+323%
5.53 TFLOPS
Radeon Pro 555
VS
Radeon Pro 580
Graphics Card
Jun 2017
Release Date
Jun 2017
Radeon Pro Mac
Generation
Radeon Pro Mac
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1100 MHz
-
Boost Clock
1200 MHz
1275 MHz
Memory Clock
1695 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
81.60GB/s
Bandwidth
217.0GB/s
Render Config
-
SM Count
-
12
Compute Units
36
768
Shading Units
2304
48
TMUs
144
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
2 MB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
38.40 GPixel/s
40.80 GTexel/s
Texture Rate
172.8 GTexel/s
1306 GFLOPS
FP16 (half)
5.530 TFLOPS
1306 GFLOPS
FP32 (float)
5.530 TFLOPS
81.60 GFLOPS
FP64 (double)
345.6 GFLOPS
Graphics Processor
Polaris 21
GPU Name
Ellesmere
Polaris 21 PRO
GPU Variant
Ellesmere XTA (216-0886220)
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
3 billion
Transistors
5.7 billion
123 mm²
Die Size
232 mm²
Board Design
75W
TDP
185W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
6.4
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8
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9
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