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GPU Comparison
AMD Radeon R9 380X vs AMD Radeon R9 270X
AMD Radeon R9 380X vs AMD Radeon R9 270X
VS
AMD Radeon R9 380X
AMD Radeon R9 270X
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380X 's Advantages
Released 2 years and 1 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (182.4GB/s vs 179.2GB/s)
768 additional rendering cores
AMD Radeon R9 270X 's Advantages
Boost Clock1050MHz
Lower TDP (180W vs 190W)
Score
Benchmark
FP32 (float)
Radeon R9 380X
+47%
3.973 TFLOPS
Radeon R9 270X
2.688 TFLOPS
3DMark Time Spy
Radeon R9 380X
+72%
3050
Radeon R9 270X
1768
Radeon R9 380X
VS
Radeon R9 270X
Graphics Card
Nov 2015
Release Date
Oct 2013
Pirate Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
1425 MHz
Memory Clock
1400 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
182.4GB/s
Bandwidth
179.2GB/s
Render Config
-
SM Count
-
32
Compute Units
20
2048
Shading Units
1280
128
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
31.04 GPixel/s
Pixel Rate
33.60 GPixel/s
124.2 GTexel/s
Texture Rate
84.00 GTexel/s
3.973 TFLOPS
FP16 (half)
-
3.973 TFLOPS
FP32 (float)
2.688 TFLOPS
248.3 GFLOPS
FP64 (double)
168.0 GFLOPS
Graphics Processor
Antigua
GPU Name
Curacao
Antigua XT (215-0877016)
GPU Variant
Curacao XT (215-0848004)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
2.8 billion
366 mm²
Die Size
212 mm²
Board Design
190W
TDP
180W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
5.1
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