AMD Radeon 520 vs AMD Radeon R7 340 Full Specs

Summary

320 Shaders 1.03GHz	384 Shaders 780MHz
1GB GDDR536GB/s	2GB GDDR572GB/s
Peak·FP32·FP16 659.2 GFLOPS	Peak·FP32·FP16 599 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP -	TDP 75W

Theoretical Performance

Clock Speed1030MHz UC·Boost·OC	Clock Speed780MHz UC·Base·Boost·OC
Peak OPS 659.2 GFLOPSFP32	Peak OPS 599 GFLOPSFP32
FP32 659.2 GFLOPS	FP32 599 GFLOPS
FP64 41.2 GFLOPS	FP64 37.44 GFLOPS
Pixel Rate 4.1 GPixel/s	Pixel Rate 6.2 GPixel/s
Texture Rate 20.6 GTexel/s	Texture Rate 18.7 GTexel/s

Core Config

Shaders 320 Shaders	Shaders 384 Shaders
TMUs 20 TMUs	TMUs 24 TMUs
ROPs 4 ROPs	ROPs 8 ROPs
CUs 5 CUs	CUs 6 CUs

Clocks

Base Clock -	Base Clock 730MHz
Boost Clock 1.03GHz	Boost Clock 780MHz

Cache

L2 Cache 128KB shared

L2 Cache 256KB shared

Memory

1GB GDDR5	2GB GDDR5
Memory Bus 64-bit	Memory Bus 128-bit
Memory Speed 4.5GT/s	Memory Speed 4.5GT/s
Memory Bandwidth 36GB/s	Memory Bandwidth 72GB/s
ECC No	ECC No

Power & Thermals

TDP -

TDP 75W

Video Output

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

Ports

1x DisplayPort 1.2 1x DVI-I Dual-Link

1x DisplayPort 1.2 1x DVI-I Dual-Link

Encoder

-	Encoder Model VCE 1.0
Codec -	Codec AVC (H.264)

Decoder

-	Decoder Model UVD 4.0
Codec -	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 1-Slots
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 1	Architecture GCN 1
Family Radeon RX 500	Family Radeon R 300
Branding	Branding
Codename Hainan	Codename Oland
Chip Variant Banks Pro	Chip Variant Oland XT
Market Segment Desktop	Market Segment Desktop
Release Date Apr 18, 2017	Release Date May 5, 2015

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 56mm²	Die Size 77mm²
Transistor Count 690 Million	Transistor Count 950 Million
Transistor Density 12.32 MTr/mm²	Transistor Density 12.34 MTr/mm²

Images