AMD Radeon R9 270X vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
May 2015
Generation
Volcanic Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1000 MHz
Boost Clock
1050 MHz
1100 MHz
Memory Clock
1400 MHz
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
179.2GB/s
76.80GB/s
Render Config
Compute Units
20
14
Shading Units
1280
896
TMUs
80
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
33.60 GPixel/s
17.60 GPixel/s
Texture Rate
84.00 GTexel/s
61.60 GTexel/s
FP32 (float)
2.688 TFLOPS
1.971 TFLOPS
FP64 (double)
168.0 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Curacao
Strato
GPU Variant
Curacao XT(215-0848004)
Strato XT
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.08 billion
Die Size
212 mm²
160 mm²
Board Design
TDP
180W
Unknown
Suggested PSU
450 W
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Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
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Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5
📊 Benchmark
3DMark Time Spy
1,769
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