Home GPU Comparison AMD Radeon Sky 900 vs AMD Radeon HD 8550 OEM

AMD Radeon Sky 900 vs AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages
Boost Clock950MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 25.60GB/s)
1312 additional rendering cores
AMD Radeon HD 8550 OEM 's Advantages
Released 7 months late
Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)
Radeon Sky 900 +445%
3.405 TFLOPS
Radeon HD 8550 OEM
0.624 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Oct 2013
Radeon Sky
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

825 MHz
Base Clock
-
950 MHz
Boost Clock
-
1250 MHz
Memory Clock
800 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
25.60GB/s

Render Config

28
Compute Units
6
-
-
-
1792
Shading Units
480
112
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

30.40 GPixel/s
Pixel Rate
5.200 GPixel/s
106.4 GTexel/s
Texture Rate
15.60 GTexel/s
-
-
-
3.405 TFLOPS
FP32 (float)
624.0 GFLOPS
851.2 GFLOPS
FP64 (double)
-

Board Design

300W
TDP
60W
700 W
Suggested PSU
250 W
1x DVI 1x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
Turks
Orthrus
GPU Variant
Turks PRO (215-0803002)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.716 billion
352 mm²
Die Size
118 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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