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AMD Radeon Sky 700

Tahiti
Graphics Processor
1792
Cores
112
TMUs
32
ROPs
6 GB
Memory Size
GDDR5
Memory Type
384 bit
Bus Width
AMD Radeon Sky 700 Photo AMD Tahiti Photo
The Radeon Sky 700 was a professional graphics card by AMD, launched in March 2013. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti PRO GL variant, the card supports DirectX 12.0. The Tahiti graphics processor is a large chip with a die area of 352 mm² and 4,313 million transistors. Unlike the fully unlocked Radeon HD 7970, which uses the same GPU but has all 2048 shaders enabled, AMD has disabled some shading units on the Radeon Sky 700 to reach the product's target shader count. It features 1792 shading units, 112 texture mapping units and 32 ROPs. AMD has placed 6,144 MB GDDR5 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 900 MHz, memory is running at 1375 MHz.
Being a dual-slot card, the AMD Radeon Sky 700 draws power from 1x 8-pin power connectors, with power draw rated at 225 W maximum. Display outputs include: 1x DisplayPort. Radeon Sky 700 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 267 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti PRO GL
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

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

Relative Performance

4%
5%
6%
7%
9%
9%
11%
15%
15%
16%
17%
17%
20%
21%
23%
24%
24%
25%
27%
28%
29%
30%
31%
35%
36%
36%
37%
37%
37%
38%
40%
42%
42%
44%
44%
45%
45%
45%
45%
46%
49%
49%
53%
54%
54%
56%
56%
58%
62%
64%
65%
66%
66%
69%
69%
70%
71%
74%
76%
77%
77%
77%
78%
84%
84%
87%
88%
88%
89%
89%
90%
91%
93%
100%
Radeon Sky 700
100%
103%
106%
106%
107%
108%
111%
114%
116%
119%
121%
121%
134%
147%
149%
159%
160%
162%
165%
166%
167%
169%
170%
171%
172%
181%
185%
188%
188%
206%
210%
213%
229%
252%
261%
281%
281%
296%
331%
347%
356%
388%
441%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
900 MHz
Memory Clock
1375 MHz
5500 MHz effective

Memory

Memory Size
6 GB
Memory Type
GDDR5
Memory Bus
384 bit
Bandwidth
264.0 GB/s

Render Config

Shading Units
1792
TMUs
112
ROPs
32
Compute Units
28

Theoretical Performance

Pixel Rate
28.80 GPixel/s
Texture Rate
100.8 GTexel/s
FP32 (float) performance
3,226 GFLOPS
FP64 (double) performance
806.4 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.5 inches
267 mm
TDP
225 W
Outputs
1x DisplayPort
Power Connectors
1x 8-pin

Graphics Features

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

Tahiti GPU Notes

Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873