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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 480

143%
143%

AMD Radeon R9 280X

70%
70%
AMD Radeon RX 480 is approximately 73% faster

Technical Specifications

SpecificationAMD Radeon RX 480AMD Radeon R9 280X
Graphics ProcessorDifferent
Ellesmere
Tahiti
CoresDifferent
2304
2048
TMUsDifferent
144
128
ROPs
32
32
Memory SizeDifferent
8 GB
3 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon RX 480AMD Radeon R9 280X
GPU NameDifferent
Ellesmere
Tahiti
GPU VariantDifferent
Polaris 10 XT(215-0876184)
Tahiti XTL(215-0821065)
ArchitectureDifferent
GCN 4.0
GCN 1.0
FoundryDifferent
GlobalFoundries
TSMC
Process SizeDifferent
14 nm
28 nm
TransistorsDifferent
5,700 million
4,313 million
DensityDifferent
24.6M / mm²
12.3M / mm²
Die SizeDifferent
232 mm²
352 mm²
Chip PackageDifferent
BGA-1401
N/A

Graphics Card

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Release DateDifferent
Jun 29th, 2016
Oct 8th, 2013
GenerationDifferent
Arctic Islands(RX 400)
Volcanic Islands(R9 200)
PredecessorDifferent
Pirate Islands
Sea Islands
SuccessorDifferent
Polaris
Pirate Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
229 USD
299 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
86 in our database
105 in our database

Clock Speeds

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Base ClockDifferent
1120 MHz
850 MHz
Boost ClockDifferent
1266 MHz
1000 MHz
Memory ClockDifferent
2000 MHz8 Gbps effective
1500 MHz6 Gbps effective

Memory

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Memory SizeDifferent
8 GB
3 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
256.0 GB/s
288.0 GB/s

Render Config

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Shading UnitsDifferent
2304
2048
TMUsDifferent
144
128
ROPs
32
32
Compute UnitsDifferent
36
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
2 MB
768 KB

Theoretical Performance

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Pixel RateDifferent
40.51 GPixel/s
32.00 GPixel/s
Texture RateDifferent
182.3 GTexel/s
128.0 GTexel/s
FP16 (half)Different
5.834 TFLOPS (1:1)
N/A
FP32 (float)Different
5.834 TFLOPS
4.096 TFLOPS
FP64 (double)Different
364.6 GFLOPS (1:16)
1,024.0 GFLOPS (1:4)

Board Design

FeatureAMD Radeon RX 480AMD Radeon R9 280X
Slot Width
Dual-slot
Dual-slot
LengthDifferent
240 mm9.4 inches
275 mm10.8 inches
HeightDifferent
95 mm3.7 inches
109 mm4.3 inches
WidthDifferent
35 mm1.4 inches
36 mm1.4 inches
TDPDifferent
150 W
250 W
Suggested PSUDifferent
450 W
600 W
OutputsDifferent
1x HDMI 2.0b3x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
C940, 109-D00947-00_02
C386

Graphics Features

FeatureAMD Radeon RX 480AMD Radeon R9 280X
DirectXDifferent
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.7
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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