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AMD Radeon Sky 500

Pitcairn
Graphics Processor
1280
Cores
80
TMUs
32
ROPs
4096 MB
Memory Size
GDDR5
Memory Type
256 bit
Bus Width
AMD Radeon Sky 500 Photo AMD Pitcairn Photo
The Radeon Sky 500 was a professional graphics card by AMD, launched in March 2013. Built on the 28 nm process, and based on the Pitcairn graphics processor, in its Pitcairn XT GL variant, the card supports DirectX 12.0. The Pitcairn graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 4,096 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 950 MHz, memory is running at 1200 MHz.
Being a single-slot card, the AMD Radeon Sky 500 draws power from 1x 6-pin power connectors, with power draw rated at 150 W maximum. Display outputs include: 1x DisplayPort. Radeon Sky 500 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 242 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name
Pitcairn
GPU Variant
Pitcairn XT GL
(215-0828073)
Architecture
GCN 1.0
Process Size
28 nm
Transistors
2,800 million
Die Size
212 mm²

Graphics Card

Release Date
Mar 27th, 2013
Generation
Radeon Sky
(x00)
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Relative Performance

5%
6%
7%
9%
11%
12%
14%
19%
19%
21%
22%
22%
26%
27%
29%
30%
31%
32%
34%
36%
37%
38%
40%
45%
46%
46%
47%
47%
48%
48%
51%
53%
54%
56%
57%
57%
58%
58%
58%
59%
62%
63%
68%
69%
69%
72%
72%
75%
80%
82%
83%
84%
85%
88%
89%
89%
91%
95%
97%
98%
98%
99%
99%
100%
Radeon Sky 500
107%
108%
111%
112%
112%
113%
114%
116%
116%
119%
128%
131%
135%
136%
137%
138%
142%
145%
149%
152%
154%
154%
171%
188%
191%
204%
205%
208%
210%
212%
213%
216%
217%
218%
220%
232%
237%
240%
240%
264%
268%
273%
293%
322%
333%
359%
359%
379%
443%
455%
495%
564%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
950 MHz
Memory Clock
1200 MHz
4800 MHz effective

Memory

Memory Size
4096 MB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
153.6 GB/s

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20

Theoretical Performance

Pixel Rate
30.40 GPixel/s
Texture Rate
76.00 GTexel/s
FP32 (float) performance
2,432 GFLOPS
FP64 (double) performance
152.0 GFLOPS (1:16)

Board Design

Slot Width
Single-slot
Length
9.527 inches
242 mm
TDP
150 W
Outputs
1x DisplayPort
Power Connectors
1x 6-pin

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.77
Shader Model
5.1

Pitcairn GPU Notes

Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0