AMD Radeon R9 270 vs AMD Radeon Sky 500
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Mar 2013
Generation
Volcanic Islands
Radeon Sky
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1400 MHz
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
179.2GB/s
153.6GB/s
Render Config
Compute Units
20
20
Shading Units
1280
1280
TMUs
80
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
30.40 GPixel/s
Texture Rate
74.00 GTexel/s
76.00 GTexel/s
FP32 (float)
2.368 TFLOPS
2.432 TFLOPS
FP64 (double)
148.0 GFLOPS
152.0 GFLOPS
Graphics Processor
GPU Name
Curacao
Pitcairn
GPU Variant
Curacao PRO(215-0848000)
Pitcairn XT GL(215-0828073)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.8 billion
Die Size
212 mm²
212 mm²
Board Design
TDP
150W
150W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2
1.2
Shader Model
5.1
5.1
📊 Benchmark
3DMark Time Spy
1,603
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