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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 380

90%
90%

AMD Radeon R9 280X

111%
111%
AMD Radeon R9 280X is approximately 21% faster

Technical Specifications

SpecificationAMD Radeon R9 380AMD Radeon R9 280X
Graphics ProcessorDifferent
Antigua
Tahiti
CoresDifferent
1792
2048
TMUsDifferent
112
128
ROPs
32
32
Memory SizeDifferent
2 GB
3 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon R9 380AMD Radeon R9 280X
GPU NameDifferent
Antigua
Tahiti
GPU VariantDifferent
Antigua PRO(215-0877000)
Tahiti XTL(215-0821065)
ArchitectureDifferent
GCN 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
5,000 million
4,313 million
DensityDifferent
13.7M / mm²
12.3M / mm²
Die SizeDifferent
366 mm²
352 mm²

Graphics Card

FeatureAMD Radeon R9 380AMD Radeon R9 280X
Release DateDifferent
Jun 18th, 2015
Oct 8th, 2013
GenerationDifferent
Pirate Islands(R9 300)
Volcanic Islands(R9 200)
PredecessorDifferent
Volcanic Islands
Sea Islands
SuccessorDifferent
Arctic Islands
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
199 USD
299 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
39 in our database
105 in our database

Clock Speeds

FeatureAMD Radeon R9 380AMD Radeon R9 280X
GPU ClockDifferent
970 MHz
N/A
Memory ClockDifferent
1375 MHz5.5 Gbps effective
1500 MHz6 Gbps effective
Base ClockDifferent
N/A
850 MHz
Boost ClockDifferent
N/A
1000 MHz

Memory

FeatureAMD Radeon R9 380AMD Radeon R9 280X
Memory SizeDifferent
2 GB
3 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
176.0 GB/s
288.0 GB/s

Render Config

FeatureAMD Radeon R9 380AMD Radeon R9 280X
Shading UnitsDifferent
1792
2048
TMUsDifferent
112
128
ROPs
32
32
Compute UnitsDifferent
28
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
512 KB
768 KB

Theoretical Performance

FeatureAMD Radeon R9 380AMD Radeon R9 280X
Pixel RateDifferent
31.04 GPixel/s
32.00 GPixel/s
Texture RateDifferent
108.6 GTexel/s
128.0 GTexel/s
FP16 (half)Different
3.476 TFLOPS (1:1)
N/A
FP32 (float)Different
3.476 TFLOPS
4.096 TFLOPS
FP64 (double)Different
217.3 GFLOPS (1:16)
1,024.0 GFLOPS (1:4)

Board Design

FeatureAMD Radeon R9 380AMD Radeon R9 280X
Slot Width
Dual-slot
Dual-slot
LengthDifferent
221 mm8.7 inches
275 mm10.8 inches
HeightDifferent
111 mm4.4 inches
109 mm4.3 inches
TDPDifferent
190 W
250 W
Suggested PSUDifferent
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
2x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
C766
C386
WidthDifferent
N/A
36 mm1.4 inches

Graphics Features

FeatureAMD Radeon R9 380AMD Radeon R9 280X
DirectXDifferent
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
Vulkan
1.2.170
1.2.170
Shader ModelDifferent
6.5
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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