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GPU Comparison
AMD Radeon Pro 555X vs NVIDIA GeForce 820A
AMD Radeon Pro 555X vs NVIDIA GeForce 820A
VS
AMD Radeon Pro 555X
NVIDIA GeForce 820A
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555X 's Advantages
Released 4 years and 4 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (94.08GB/s vs 14.40GB/s)
672 additional rendering cores
NVIDIA GeForce 820A 's Advantages
Lower TDP (15W vs 75W)
Score
Benchmark
FP32 (float)
Radeon Pro 555X
+367%
1.393 TFLOPS
GeForce 820A
0.298 TFLOPS
Radeon Pro 555X
VS
GeForce 820A
Graphics Card
Jul 2018
Release Date
Mar 2014
Radeon Pro Mac
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1470 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
94.08GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
2
12
Compute Units
-
768
Shading Units
96
48
TMUs
16
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
128 KB
Theoretical Performance
14.51 GPixel/s
Pixel Rate
3.100 GPixel/s
43.54 GTexel/s
Texture Rate
12.40 GTexel/s
1393 GFLOPS
FP16 (half)
-
1393 GFLOPS
FP32 (float)
297.6 GFLOPS
87.07 GFLOPS
FP64 (double)
24.80 GFLOPS
Graphics Processor
Polaris 21
GPU Name
GF117
Polaris 21 PRO
GPU Variant
N15V-GM
GCN 4.0
Architecture
Fermi 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
0.585 billion
123 mm²
Die Size
116 mm²
Board Design
75W
TDP
15W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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