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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 290

93%
93%

AMD Radeon R9 390X

117%
117%
AMD Radeon R9 390X is approximately 24% faster

Technical Specifications

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

Graphics Processor

FeatureAMD Radeon R9 290AMD Radeon R9 390X
GPU NameDifferent
Hawaii
Grenada
GPU VariantDifferent
Hawaii PRO(215-0852020)
Grenada XT(215-0880004)
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 290AMD Radeon R9 390X
Release DateDifferent
Nov 5th, 2013
Jun 18th, 2015
GenerationDifferent
Volcanic Islands(R9 200)
Pirate Islands(R9 300)
PredecessorDifferent
Sea Islands
Volcanic Islands
SuccessorDifferent
Pirate Islands
Arctic Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
399 USD
429 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
69 in our database
60 in our database

Clock Speeds

FeatureAMD Radeon R9 290AMD Radeon R9 390X
GPU ClockDifferent
947 MHz
1050 MHz
Memory ClockDifferent
1250 MHz5 Gbps effective
1500 MHz6 Gbps effective

Memory

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

Render Config

FeatureAMD Radeon R9 290AMD Radeon R9 390X
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 290AMD Radeon R9 390X
Pixel RateDifferent
60.61 GPixel/s
67.20 GPixel/s
Texture RateDifferent
151.5 GTexel/s
184.8 GTexel/s
FP32 (float)Different
4.849 TFLOPS
5.914 TFLOPS
FP64 (double)Different
606.1 GFLOPS (1:8)
739.2 GFLOPS (1:8)

Board Design

FeatureAMD Radeon R9 290AMD Radeon R9 390X
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
TDP
275 W
275 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
109-C67157-00_02, C679-37

Graphics Features

FeatureAMD Radeon R9 290AMD Radeon R9 390X
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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