AMD Radeon R7 250E vs AMD Radeon R9 270X Full Specs

Summary

512 Shaders 800MHz	1,280 Shaders 1.05GHz
1GB GDDR572GB/s	2GB GDDR5179.2GB/s
Peak·FP32·FP16 819.2 GFLOPS	Peak·FP32·FP16 2.69 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 55W	TDP 180W
Power Connectors -	Power Connectors 2x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

Radeon R7 250E819.2 GFLOPSFP32

x1

Radeon R9 270X2.69 TFLOPSFP32

x3.28

Show Top Score

Theoretical Performance

Clock Speed800MHz UC·Boost·OC	Clock Speed1050MHz UC·Base·Boost·OC
Peak OPS 819.2 GFLOPSFP32	Peak OPS 2.69 TFLOPSFP32
FP32 819.2 GFLOPS	FP32 2.69 TFLOPS
FP64 51.2 GFLOPS	FP64 168 GFLOPS
Pixel Rate 12.8 GPixel/s	Pixel Rate 33.6 GPixel/s
Texture Rate 25.6 GTexel/s	Texture Rate 84 GTexel/s

Core Config

Shaders 512 Shaders	Shaders 1,280 Shaders
TMUs 32 TMUs	TMUs 80 TMUs
ROPs 16 ROPs	ROPs 32 ROPs
CUs 8 CUs	CUs 20 CUs

Clocks

Base Clock -	Base Clock 1GHz
Boost Clock 800MHz	Boost Clock 1.05GHz

Cache

L2 Cache 256KB shared

L2 Cache 512KB shared

Memory

1GB GDDR5	2GB GDDR5
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 4.5GT/s	Memory Speed 5.6GT/s
Memory Bandwidth 72GB/s	Memory Bandwidth 179.2GB/s

Power & Thermals

TDP 55W

TDP 180W

Video Output

Multi-Monitor 3

Multi-Monitor 3

Ports

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

Encoder

Encoder Model VCE 1.0

Encoder Model VCE 1.0

Decoder

Decoder Model UVD 4.0

Decoder Model UVD 3.2

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan
Power Connectors -	Power Connectors 2x 6-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 1	Architecture GCN 1
Family Radeon R 200	Family Radeon R 200
Branding	Branding
Codename Cape Verde	Codename Pitcairn
Chip Variant Cape Verde LE	Chip Variant Pitcairn Pro
Market Segment Desktop	Market Segment Desktop
Release Date Dec 21, 2013	Release Date Aug 8, 2013

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 123mm²	Die Size 212mm²
Transistor Count 1.5 Billion	Transistor Count 2.8 Billion
Transistor Density 12.2 MTr/mm²	Transistor Density 13.21 MTr/mm²

Images

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Competitors

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