Home GPU Comparison AMD Radeon Sky 500 vs AMD Radeon RX 550 512SP

AMD Radeon Sky 500 vs AMD Radeon RX 550 512SP

We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 2GB VRAM Radeon RX 550 512SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)
768 additional rendering cores
AMD Radeon RX 550 512SP 's Advantages
Released 4 years and 7 months late
Boost Clock1071MHz
Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)
Radeon Sky 500 +121%
2.432 TFLOPS
Radeon RX 550 512SP
1.097 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Oct 2017
Radeon Sky
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1019 MHz
-
Boost Clock
1071 MHz
1200 MHz
Memory Clock
1500 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
96.00GB/s

Render Config

20
Compute Units
8
-
-
-
1280
Shading Units
512
80
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

30.40 GPixel/s
Pixel Rate
17.14 GPixel/s
76.00 GTexel/s
Texture Rate
34.27 GTexel/s
-
FP16 (half)
1097 GFLOPS
2.432 TFLOPS
FP32 (float)
1097 GFLOPS
152.0 GFLOPS
FP64 (double)
68.54 GFLOPS

Board Design

150W
TDP
50W
450 W
Suggested PSU
250 W
1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin
Power Connectors
None

Graphics Processor

Pitcairn
GPU Name
Baffin
Pitcairn XT GL (215-0828073)
GPU Variant
Baffin LE
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
3 billion
212 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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