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GPU Comparison
AMD Radeon R9 380 vs AMD Radeon R9 280X
AMD Radeon R9 380 vs AMD Radeon R9 280X
VS
AMD Radeon R9 380
AMD Radeon R9 280X
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380 's Advantages
Released 1 years and 8 months late
Lower TDP (190W vs 250W)
AMD Radeon R9 280X 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 176.0GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 380
3.476 TFLOPS
Radeon R9 280X
+17%
4.096 TFLOPS
3DMark Time Spy
Radeon R9 380
+18%
2794
Radeon R9 280X
2348
Radeon R9 380
VS
Radeon R9 280X
Graphics Card
Jun 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
850 MHz
-
Boost Clock
1000 MHz
1375 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
176.0GB/s
Bandwidth
288.0GB/s
Render Config
28
Compute Units
32
-
-
-
1792
Shading Units
2048
112
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
31.04 GPixel/s
Pixel Rate
32.00 GPixel/s
108.6 GTexel/s
Texture Rate
128.0 GTexel/s
3.476 TFLOPS
FP16 (half)
-
3.476 TFLOPS
FP32 (float)
4.096 TFLOPS
217.3 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
190W
TDP
250W
450 W
Suggested PSU
600 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
1x 6-pin + 1x 8-pin
Graphics Processor
Antigua
GPU Name
Tahiti
Antigua PRO (215-0877000)
GPU Variant
Tahiti XTL (215-0821065)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
4.313 billion
366 mm²
Die Size
352 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
5.1
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