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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 380

67%
67%

AMD Radeon R9 390

163%
163%
AMD Radeon R9 390 is approximately 96% faster

Technical Specifications

SpecificationAMD Radeon R9 380AMD Radeon R9 390
Graphics ProcessorDifferent
Antigua
Grenada
CoresDifferent
1792
2560
TMUsDifferent
112
160
ROPsDifferent
32
64
Memory SizeDifferent
2 GB
8 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
256 bit
512 bit

Graphics Processor

FeatureAMD Radeon R9 380AMD Radeon R9 390
GPU NameDifferent
Antigua
Grenada
GPU VariantDifferent
Antigua PRO(215-0877000)
Grenada PRO(215-0880030)
ArchitectureDifferent
GCN 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
5,000 million
6,200 million
DensityDifferent
13.7M / mm²
14.2M / mm²
Die SizeDifferent
366 mm²
438 mm²

Graphics Card

FeatureAMD Radeon R9 380AMD Radeon R9 390
Release Date
Jun 18th, 2015
Jun 18th, 2015
Generation
Pirate Islands(R9 300)
Pirate Islands(R9 300)
Predecessor
Volcanic Islands
Volcanic Islands
Successor
Arctic Islands
Arctic Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
199 USD
329 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
39 in our database
35 in our database

Clock Speeds

FeatureAMD Radeon R9 380AMD Radeon R9 390
GPU ClockDifferent
970 MHz
1000 MHz
Memory ClockDifferent
1375 MHz5.5 Gbps effective
1500 MHz6 Gbps effective

Memory

FeatureAMD Radeon R9 380AMD Radeon R9 390
Memory SizeDifferent
2 GB
8 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
256 bit
512 bit
BandwidthDifferent
176.0 GB/s
384.0 GB/s

Render Config

FeatureAMD Radeon R9 380AMD Radeon R9 390
Shading UnitsDifferent
1792
2560
TMUsDifferent
112
160
ROPsDifferent
32
64
Compute UnitsDifferent
28
40
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
512 KB
1024 KB

Theoretical Performance

FeatureAMD Radeon R9 380AMD Radeon R9 390
Pixel RateDifferent
31.04 GPixel/s
64.00 GPixel/s
Texture RateDifferent
108.6 GTexel/s
160.0 GTexel/s
FP16 (half)Different
3.476 TFLOPS (1:1)
N/A
FP32 (float)Different
3.476 TFLOPS
5.120 TFLOPS
FP64 (double)Different
217.3 GFLOPS (1:16)
640.0 GFLOPS (1:8)

Board Design

FeatureAMD Radeon R9 380AMD Radeon R9 390
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
275 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
109-C67157-00_02, C679
WidthDifferent
N/A
36 mm1.4 inches

Graphics Features

FeatureAMD Radeon R9 380AMD Radeon R9 390
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2.170
Shader Model
6.5
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
47
Detailed Features

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