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GPU Comparison
AMD Radeon R9 270 vs AMD Radeon R9 380X
AMD Radeon R9 270 vs AMD Radeon R9 380X
VS
AMD Radeon R9 270
AMD Radeon R9 380X
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 's Advantages
Boost Clock925MHz
Lower TDP (150W vs 190W)
AMD Radeon R9 380X 's Advantages
Released 2 years late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (182.4GB/s vs 179.2GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 270
2.368 TFLOPS
Radeon R9 380X
+67%
3.973 TFLOPS
3DMark Time Spy
Radeon R9 270
1603
Radeon R9 380X
+90%
3050
Radeon R9 270
VS
Radeon R9 380X
Graphics Card
Nov 2013
Release Date
Nov 2015
Volcanic Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
1425 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
179.2GB/s
Bandwidth
182.4GB/s
Render Config
-
SM Count
-
20
Compute Units
32
1280
Shading Units
2048
80
TMUs
128
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
29.60 GPixel/s
Pixel Rate
31.04 GPixel/s
74.00 GTexel/s
Texture Rate
124.2 GTexel/s
-
FP16 (half)
3.973 TFLOPS
2.368 TFLOPS
FP32 (float)
3.973 TFLOPS
148.0 GFLOPS
FP64 (double)
248.3 GFLOPS
Graphics Processor
Curacao
GPU Name
Antigua
Curacao PRO (215-0848000)
GPU Variant
Antigua XT (215-0877016)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
5 billion
212 mm²
Die Size
366 mm²
Board Design
150W
TDP
190W
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
1x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
6.3
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8
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9
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