AMD Radeon RX 470 Mobile vs AMD Radeon R9 270 1024SP
GPU Specs Compare
Graphics Card
Release Date
Aug 2016
Mar 2015
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
926 MHz
900 MHz
Boost Clock
1074 MHz
925 MHz
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
224.0GB/s
153.6GB/s
Render Config
Compute Units
32
16
Shading Units
2048
1024
TMUs
128
64
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
34.37 GPixel/s
29.60 GPixel/s
Texture Rate
137.5 GTexel/s
59.20 GTexel/s
FP16 (half)
4.399 TFLOPS
-
FP32 (float)
4.399 TFLOPS
1.894 TFLOPS
FP64 (double)
274.9 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Pitcairn
GPU Variant
Ellesmere PRO
Pitcairn PRO(215-0828062)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.8 billion
Die Size
232 mm²
212 mm²
Board Design
TDP
85W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1