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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 290X

153%
153%

AMD Radeon R9 285

66%
66%
AMD Radeon R9 290X is approximately 87% faster

Technical Specifications

SpecificationAMD Radeon R9 290XAMD Radeon R9 285
Graphics ProcessorDifferent
Hawaii
Tonga
CoresDifferent
2816
1792
TMUsDifferent
176
112
ROPsDifferent
64
32
Memory SizeDifferent
4 GB
2 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
512 bit
256 bit

Graphics Processor

FeatureAMD Radeon R9 290XAMD Radeon R9 285
GPU NameDifferent
Hawaii
Tonga
GPU VariantDifferent
Hawaii XT(215-0852000)
Tonga PRO(215-0851128)
ArchitectureDifferent
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
6,200 million
5,000 million
DensityDifferent
14.2M / mm²
13.7M / mm²
Die SizeDifferent
438 mm²
366 mm²

Graphics Card

FeatureAMD Radeon R9 290XAMD Radeon R9 285
Release DateDifferent
Oct 24th, 2013
Sep 2nd, 2014
Generation
Volcanic Islands(R9 200)
Volcanic Islands(R9 200)
Predecessor
Sea Islands
Sea Islands
Successor
Pirate Islands
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
549 USD
249 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
147 in our database
59 in our database

Clock Speeds

FeatureAMD Radeon R9 290XAMD Radeon R9 285
GPU ClockDifferent
1000 MHz
918 MHz
Memory ClockDifferent
1250 MHz5 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureAMD Radeon R9 290XAMD Radeon R9 285
Memory SizeDifferent
4 GB
2 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
512 bit
256 bit
BandwidthDifferent
320.0 GB/s
176.0 GB/s

Render Config

FeatureAMD Radeon R9 290XAMD Radeon R9 285
Shading UnitsDifferent
2816
1792
TMUsDifferent
176
112
ROPsDifferent
64
32
Compute UnitsDifferent
44
28
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
1024 KB
512 KB

Theoretical Performance

FeatureAMD Radeon R9 290XAMD Radeon R9 285
Pixel RateDifferent
64.00 GPixel/s
29.38 GPixel/s
Texture RateDifferent
176.0 GTexel/s
102.8 GTexel/s
FP32 (float)Different
5.632 TFLOPS
3.290 TFLOPS
FP64 (double)Different
704.0 GFLOPS (1:8)
205.6 GFLOPS (1:16)
FP16 (half)Different
N/A
3.290 TFLOPS (1:1)

Board Design

FeatureAMD Radeon R9 290XAMD Radeon R9 285
Slot Width
Dual-slot
Dual-slot
LengthDifferent
275 mm10.8 inches
221 mm8.7 inches
Height
109 mm4.3 inches
109 mm4.3 inches
Width
36 mm1.4 inches
36 mm1.4 inches
TDPDifferent
290 W
190 W
Suggested PSUDifferent
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin + 1x 8-pin
2x 6-pin
Board NumberDifferent
109-C67157-00_02, 109-C67157-00C_03
C766

Graphics Features

FeatureAMD Radeon R9 290XAMD Radeon R9 285
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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