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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 390X

117%
117%

AMD Radeon R9 290

93%
93%
AMD Radeon R9 390X is approximately 24% faster

Technical Specifications

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

Graphics Processor

FeatureAMD Radeon R9 390XAMD Radeon R9 290
GPU NameDifferent
Grenada
Hawaii
GPU VariantDifferent
Grenada XT(215-0880004)
Hawaii PRO(215-0852020)
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 390XAMD Radeon R9 290
Release DateDifferent
Jun 18th, 2015
Nov 5th, 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
429 USD
399 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
60 in our database
69 in our database

Clock Speeds

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

Memory

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

Theoretical Performance

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

Board Design

FeatureAMD Radeon R9 390XAMD Radeon R9 290
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, C679-37
109-C67157-00_02

Graphics Features

FeatureAMD Radeon R9 390XAMD Radeon R9 290
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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