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GPU Comparison
AMD Radeon RX 550 vs AMD Radeon Sky 500
AMD Radeon RX 550 vs AMD Radeon Sky 500
VS
AMD Radeon RX 550
AMD Radeon Sky 500
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550 's Advantages
Released 4 years and 1 months late
Boost Clock1183MHz
Lower TDP (50W vs 150W)
AMD Radeon Sky 500 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 112.0GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550
1.211 TFLOPS
Radeon Sky 500
+100%
2.432 TFLOPS
Radeon RX 550
VS
Radeon Sky 500
Graphics Card
Apr 2017
Release Date
Mar 2013
Polaris
Generation
Radeon Sky
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1183 MHz
Boost Clock
-
1750 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
112.0GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
8
Compute Units
20
512
Shading Units
1280
32
TMUs
80
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
30.40 GPixel/s
37.86 GTexel/s
Texture Rate
76.00 GTexel/s
1211 GFLOPS
FP16 (half)
-
1211 GFLOPS
FP32 (float)
2.432 TFLOPS
75.71 GFLOPS
FP64 (double)
152.0 GFLOPS
Graphics Processor
Lexa
GPU Name
Pitcairn
Lexa PRO (215-0904018)
GPU Variant
Pitcairn XT GL (215-0828073)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
2.8 billion
103 mm²
Die Size
212 mm²
Board Design
50W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
5.1
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