AMD Radeon R5 235X vs AMD Radeon R9 280X Full Specs

Summary

160 Shaders 875MHz	2,048 Shaders 1GHz
1GB DDR314.4GB/s	3GB GDDR5288GB/s
Peak·FP32·FP16 280 GFLOPS	Peak·FP32·FP16 4.1 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 18W	TDP 250W
Power Connectors -	Power Connectors 1x 8-Pin 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

Radeon R5 235X280 GFLOPSFP32

x1

Radeon R9 280X4.1 TFLOPSFP32

x14.63

Show Top Score

Theoretical Performance

Clock Speed875MHz UC·Boost·OC	Clock Speed1000MHz UC·Base·Boost·OC
Peak OPS 280 GFLOPSFP32	Peak OPS 4.1 TFLOPSFP32
FP32 280 GFLOPS	FP32 4.1 TFLOPS
-	FP64 1.02 TFLOPS
Pixel Rate 3.5 GPixel/s	Pixel Rate 32 GPixel/s
Texture Rate 7 GTexel/s	Texture Rate 128 GTexel/s

Core Config

Shaders 160 Shaders	Shaders 2,048 Shaders
TMUs 8 TMUs	TMUs 128 TMUs
ROPs 4 ROPs	ROPs 32 ROPs
CUs 2 CUs	CUs 32 CUs

Clocks

Base Clock -	Base Clock 850MHz
Boost Clock 875MHz	Boost Clock 1GHz

Cache

L2 Cache 128KB shared

L2 Cache 768KB shared

Memory

1GB DDR3	3GB GDDR5
Memory Bus 64-bit	Memory Bus 384-bit
Memory Speed 1.8GT/s	Memory Speed 6GT/s
Memory Bandwidth 14.4GB/s	Memory Bandwidth 288GB/s
ECC No	ECC No

Power & Thermals

TDP 18W

TDP 250W

Video Output

Multi-Monitor 2

Multi-Monitor 3

Ports

-	1x DisplayPort 1.2
-	1x HDMI 1.4
1x HDMI 1.3	-
-	1x DVI-D Dual-Link
1x DVI-I Dual-Link	1x DVI-I Dual-Link

Encoder

-	Encoder Model VCE 1.0

Decoder

Decoder Model UVD 3.0

Decoder Model UVD 3.2

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
-	Height 110 mm (4.33") Width 275 mm (10.83") Depth 36 mm (1.42")
Cooling Open-Air 1x Fan	Cooling Blower 1x Fan
Power Connectors -	Power Connectors 1x 8-Pin, 1x 6-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture TeraScale 2	Architecture GCN 1
Family Radeon R 200	Family Radeon R 200
Branding	Branding
Codename Caicos	Codename Tahiti
Chip Variant Caicos	Chip Variant Tahiti LE
Market Segment Desktop	Market Segment Desktop
Release Date Dec 21, 2013	Release Date Aug 8, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 40nm	Fabrication Node 28nm
Die Size 67mm²	Die Size 352mm²
Transistor Count 370 Million	Transistor Count 4.3 Billion
Transistor Density 5.52 MTr/mm²	Transistor Density 12.25 MTr/mm²

Images

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