Home GPU Comparison AMD Radeon RX 480 vs AMD Radeon Sky 500

AMD Radeon RX 480 vs AMD Radeon Sky 500

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 480 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 480 's Advantages
Released 3 years and 3 months late
Boost Clock1266MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 153.6GB/s)
1024 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 480 +139%
5.834 TFLOPS
Radeon Sky 500
2.432 TFLOPS
VS

Graphics Card

Jun 2016
Release Date
Mar 2013
Arctic Islands
Generation
Radeon Sky
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1120 MHz
Base Clock
-
1266 MHz
Boost Clock
-
2000 MHz
Memory Clock
1200 MHz

Memory

8GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
256.0GB/s
Bandwidth
153.6GB/s

Render Config

36
Compute Units
20
-
-
-
2304
Shading Units
1280
144
TMUs
80
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
-
-
-

Theoretical Performance

40.51 GPixel/s
Pixel Rate
30.40 GPixel/s
182.3 GTexel/s
Texture Rate
76.00 GTexel/s
5.834 TFLOPS
FP16 (half)
-
5.834 TFLOPS
FP32 (float)
2.432 TFLOPS
364.6 GFLOPS
FP64 (double)
152.0 GFLOPS

Board Design

150W
TDP
150W
450 W
Suggested PSU
450 W
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Ellesmere
GPU Name
Pitcairn
Polaris 10 XT (215-0876184)
GPU Variant
Pitcairn XT GL (215-0828073)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
2.8 billion
232 mm²
Die Size
212 mm²

Graphics Features

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

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