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AMD Radeon R9 270X

Curacao
Graphics Processor
1280
Cores
80
TMUs
32
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
256 bit
Bus Width
AMD Radeon R9 270X Image AMD Curacao Image
The Radeon R9 270X is a performance graphics card by AMD, launched in October 2013. Built on the 28 nm process, and based on the Curacao graphics processor, in its Curacao XT variant, the card supports DirectX 12.0. The Curacao graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1000 MHz, which can be boosted up to 1050 MHz, memory is running at 1400 MHz.
We recommend the AMD Radeon R9 270X for gaming with highest details at resolutions up to, and including, 1920x1080.
Being a dual-slot card, the AMD Radeon R9 270X draws power from 2x 6-pin power connectors, with power draw rated at 180 W maximum. Display outputs include: 2x DVI, 1x HDMI, 1x DisplayPort. Radeon R9 270X is connected to the rest of the system using a PCIe 3.0 x16 interface. Its price at launch was 199 US Dollars.

Graphics Processor

GPU Name: Curacao
GPU Variant: Curacao XT
Architecture: GCN 1.0
Process Size: 28 nm
Transistors: 2,800 million
Die Size: 212 mm²

Graphics Card

Released: Oct 8th, 2013
Production Status: Active
Launch Price: 199 USD
Bus Interface: PCIe 3.0 x16

Relative Performance

4%
5%
7%
8%
10%
10%
13%
17%
17%
19%
20%
20%
23%
25%
26%
27%
28%
29%
31%
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34%
35%
36%
41%
41%
42%
42%
43%
43%
46%
48%
49%
51%
52%
52%
52%
54%
56%
57%
61%
62%
62%
65%
68%
72%
74%
75%
76%
77%
79%
80%
81%
82%
86%
88%
89%
89%
90%
97%
98%
100%
Radeon R9 270X
101%
102%
103%
105%
105%
108%
116%
119%
122%
123%
124%
125%
131%
135%
138%
140%
140%
155%
173%
184%
185%
188%
190%
193%
194%
196%
196%
199%
214%
217%
217%
225%
245%
256%
265%
290%
343%
401%
413%
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock: 1000 MHz
Boost Clock: 1050 MHz
Memory Clock: 1400 MHz
5600 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 179.2 GB/s

Render Config

Shading Units: 1280
TMUs: 80
ROPs: 32
Compute Units: 20
Pixel Rate: 33.6 GPixel/s
Texture Rate: 84.0 GTexel/s
Floating-point performance: 2,688.0 GFLOPS

Board Design

Slot Width: Dual-slot
TDP: 180 W
Outputs: 2x DVI
1x HDMI
1x DisplayPort
Power Connectors: 2x 6-pin
Board Number: C631, C632

Graphics Features

DirectX: 12.0
OpenGL: 4.5
OpenCL: 1.2
Shader Model: 5.0

Reviews

Our review database contains 90 reviews of the Radeon R9 270X.

Retail boards based on this design

Name GPU Clock Boost Clock Memory Clock Other Changes
ASUS R9 270X DirectCU II 1000 MHz 1050 MHz 1400 MHz 10.7 inches/272 mm
ASUS R9 270X DirectCU II TOP 1070 MHz 1120 MHz 1400 MHz 10.7 inches/272 mm
ASUS R9 270X DirectCU II TOP 4 GB 1000 MHz 1120 MHz 1400 MHz 4096 MB, 10.7 inches/272 mm
Club 3D R9 270X '14Series 1030 MHz 1080 MHz 1400 MHz 8.31 inches/211 mm
Club 3D R9 270X royalQueen 1030 MHz 1080 MHz 1400 MHz 8.31 inches/211 mm
Club 3D R9 270X royalQueen 1030 MHz 1080 MHz 1400 MHz 8.31 inches/211 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D R9 270X royalQueen 4 GB 1030 MHz 1080 MHz 1400 MHz 4096 MB, 8.31 inches/211 mm
ColorFire R7 270X Top 1100 MHz 1155 MHz 1500 MHz 11.5 inches/292 mm
Digital Alliance R9 270X 1030 MHz 1080 MHz 1400 MHz 8.4 inches/213 mm
GIGABYTE R9 270X WindForce 3X OC 1050 MHz 1100 MHz 1400 MHz 11.7 inches/297 mm
GIGABYTE R9 270X WindForce 3X OC 4 GB 1050 MHz 1100 MHz 1400 MHz 4096 MB, 11.7 inches/297 mm
GIGABYTE R9 270X WindForce 3X OC Battlefield 4 1050 MHz 1100 MHz 1400 MHz 11.7 inches/297 mm
GIGABYTE R9 270X WindForce 3X OC Rev. 2 1050 MHz 1100 MHz 1400 MHz 11.41 inches/290 mm
HIS R9 270X IceQ Boost Clock 1000 MHz 1050 MHz 1400 MHz 11.7 inches/297 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X IceQ X2 Boost Clock 1000 MHz 1050 MHz 1400 MHz 10.63 inches/270 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X IceQ X2 Turbo Boost Clock 1100 MHz 1140 MHz 1400 MHz 10.63 inches/270 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 270X Gaming ITX 1030 MHz 1080 MHz 1400 MHz 6.7 inches/170 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 270X Gaming LE 1010 MHz 1070 MHz 1400 MHz 10.24 inches/260 mm
MSI R9 270X Gaming LE 4 GB 1010 MHz 1070 MHz 1400 MHz 4096 MB, 10.24 inches/260 mm
MSI R9 270X Gaming OC 1030 MHz 1080 MHz 1400 MHz 10.24 inches/260 mm
MSI R9 270X Gaming OC 4 GB 1030 MHz 1120 MHz 1400 MHz 4096 MB, 10.24 inches/260 mm
MSI R9 270X Gaming OC Battlefield 4 1030 MHz 1120 MHz 1400 MHz 10.24 inches/260 mm
MSI R9 270X Hawk 1100 MHz 1150 MHz 1400 MHz 10.35 inches/263 mm
MSI R9 270X Hawk LE 1020 MHz 1070 MHz 1400 MHz 10.35 inches/263 mm
PowerColor Devil R9 270X 1150 MHz 1180 MHz 1400 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ R9 270X 1060 MHz 1100 MHz 1425 MHz 9.45 inches/240 mm
PowerColor R9 270X OC 1030 MHz 1080 MHz 1400 MHz 8.86 inches/225 mm
Sapphire Dual-X R9 270X OC 1020 MHz 1070 MHz 1400 MHz 10.32 inches/262 mm
Sapphire Dual-X R9 270X OC 4 GB 1020 MHz 1070 MHz 1400 MHz 4096 MB, 8.98 inches/228 mm
Sapphire Dual-X R9 270X OC Battlefield 4 1020 MHz 1070 MHz 1400 MHz 10.32 inches/262 mm
Sapphire Dual-X R9 270X Platinum Edition 1020 MHz 1070 MHz 1400 MHz 4096 MB, 8.98 inches/228 mm
Sapphire TOXIC R9 270X OC 1100 MHz 1150 MHz 1500 MHz 12.13 inches/308 mm
Sapphire Vapor-X R9 270X OC 1050 MHz 1100 MHz 1450 MHz
VisionTek R9 270X OC 1030 MHz 1080 MHz 1400 MHz
VTX3D R9 270X X-Edition 1030 MHz 1080 MHz 1400 MHz 8.4 inches/213 mm
VTX3D R9 270X X-Edition V2 1030 MHz 1080 MHz 1400 MHz 8.31 inches/211 mm
XFX Double D R9 270X 1000 MHz 1050 MHz 1400 MHz 8.7 inches/221 mm
XFX Double D R9 270X 1000 MHz 1050 MHz 1400 MHz 9.9 inches/251 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D R9 270X 4 GB 1000 MHz 1050 MHz 1400 MHz 4096 MB, 8.7 inches/221 mm
XFX Double D R9 270X 4 GB 1000 MHz 1050 MHz 1400 MHz 4096 MB, 8.7 inches/221 mm
XFX Double D R9 270X Black Edition 1050 MHz 1100 MHz 1400 MHz 9.9 inches/251 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX R9 270X BestBuy Exclusive 1000 MHz 1050 MHz 1400 MHz 2x DVI 1x HDMI 2x mini-DisplayPort