AMD Radeon RX 455 vs AMD Radeon RX 480 Full Specs

Summary

768 Shaders 1.05GHz	2,304 Shaders 1.27GHz
2GB GDDR5104GB/s	8GB GDDR5256GB/s
Peak·FP32·FP16 1.61 TFLOPS	Peak·FP32·FP16 5.83 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 100W	TDP 150W
Power Connectors 1x 6-Pin	Power Connectors 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Radeon RX 4551.61 TFLOPSFP32

x1

Radeon RX 4805.83 TFLOPSFP16

x3.62

Show Top Score

Theoretical Performance

Clock Speed1050MHz UC·Boost·OC	Clock Speed1266MHz UC·Base·Boost·OC
Peak OPS 1.61 TFLOPSFP32	Peak OPS 5.83 TFLOPSFP16
FP32 1.61 TFLOPS	FP32 5.83 TFLOPS
FP64 100.8 GFLOPS	FP64 364.6 GFLOPS
Pixel Rate 16.8 GPixel/s	Pixel Rate 40.5 GPixel/s
Texture Rate 50.4 GTexel/s	Texture Rate 182.3 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 2,304 Shaders
TMUs 48 TMUs	TMUs 144 TMUs
ROPs 16 ROPs	ROPs 32 ROPs
CUs 12 CUs	CUs 36 CUs

Clocks

Base Clock -	Base Clock 1.12GHz
Boost Clock 1.05GHz	Boost Clock 1.27GHz

Cache

L2 Cache 256KB shared

L2 Cache 2MB shared

Memory

2GB GDDR5	8GB GDDR5
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 6.5GT/s	Memory Speed 8GT/s
Memory Bandwidth 104GB/s	Memory Bandwidth 256GB/s

Power & Thermals

TDP 100W

TDP 150W

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 1.4	HDCP HDCP 2.2

Ports

-	3x DisplayPort 1.4
1x DisplayPort 1.2	-
-	1x HDMI 2.0
1x HDMI 1.4	-
1x DVI-D Dual-Link	-

Encoder

Encoder Model VCE 2.0

Encoder Model VCE 3.0

Decoder

Decoder Model UVD 4.2

Decoder Model UVD 6.3

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe -	PCIe 2-Slots
-	Height 95 mm (3.74") Width 240 mm (9.45") Depth 35 mm (1.38")
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan
Power Connectors 1x 6-Pin	Power Connectors 1x 6-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 2	Architecture GCN 4
Family Radeon R 400	Family Radeon R 400
Branding	Branding
Codename Bonaire	Codename Ellesmere
Chip Variant Bonaire XT	Chip Variant Polaris 10 XL
Market Segment Desktop	Market Segment Desktop
Release Date Jun 30, 2016	Release Date Jun 29, 2016

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node 28nm	Fabrication Node 14LPP
Die Size 160mm²	Die Size 232mm²
Transistor Count 2.1 Billion	Transistor Count 5.7 Billion
Transistor Density 13 MTr/mm²	Transistor Density 24.57 MTr/mm²

Images

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Competitors

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