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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 390

108%
108%

AMD Radeon R9 290X

102%
102%
AMD Radeon R9 390 is approximately 6% faster

Technical Specifications

SpecificationAMD Radeon R9 390AMD Radeon R9 290X
Graphics ProcessorDifferent
Grenada
Hawaii
CoresDifferent
2560
2816
TMUsDifferent
160
176
ROPs
64
64
Memory SizeDifferent
8 GB
4 GB
Memory Type
GDDR5
GDDR5
Bus Width
512 bit
512 bit

Graphics Processor

FeatureAMD Radeon R9 390AMD Radeon R9 290X
GPU NameDifferent
Grenada
Hawaii
GPU VariantDifferent
Grenada PRO(215-0880030)
Hawaii XT(215-0852000)
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6,200 million
6,200 million
Density
14.2M / mm²
14.2M / mm²
Die Size
438 mm²
438 mm²

Graphics Card

FeatureAMD Radeon R9 390AMD Radeon R9 290X
Release DateDifferent
Jun 18th, 2015
Oct 24th, 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
329 USD
549 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
35 in our database
147 in our database

Clock Speeds

FeatureAMD Radeon R9 390AMD Radeon R9 290X
GPU Clock
1000 MHz
1000 MHz
Memory ClockDifferent
1500 MHz6 Gbps effective
1250 MHz5 Gbps effective

Memory

FeatureAMD Radeon R9 390AMD Radeon R9 290X
Memory SizeDifferent
8 GB
4 GB
Memory Type
GDDR5
GDDR5
Memory Bus
512 bit
512 bit
BandwidthDifferent
384.0 GB/s
320.0 GB/s

Render Config

FeatureAMD Radeon R9 390AMD Radeon R9 290X
Shading UnitsDifferent
2560
2816
TMUsDifferent
160
176
ROPs
64
64
Compute UnitsDifferent
40
44
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
1024 KB

Theoretical Performance

FeatureAMD Radeon R9 390AMD Radeon R9 290X
Pixel Rate
64.00 GPixel/s
64.00 GPixel/s
Texture RateDifferent
160.0 GTexel/s
176.0 GTexel/s
FP32 (float)Different
5.120 TFLOPS
5.632 TFLOPS
FP64 (double)Different
640.0 GFLOPS (1:8)
704.0 GFLOPS (1:8)

Board Design

FeatureAMD Radeon R9 390AMD Radeon R9 290X
Slot Width
Dual-slot
Dual-slot
Length
275 mm10.8 inches
275 mm10.8 inches
Height
109 mm4.3 inches
109 mm4.3 inches
Width
36 mm1.4 inches
36 mm1.4 inches
TDPDifferent
275 W
290 W
Suggested PSU
600 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
109-C67157-00_02, C679
109-C67157-00_02, 109-C67157-00C_03

Graphics Features

FeatureAMD Radeon R9 390AMD Radeon R9 290X
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
46
Detailed Features

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