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AMD Radeon R9 270X

Graphics Processor
Curacao
Cores
1280
TMUs
80
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
The Radeon R9 270X was 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.
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 PCI-Express 3.0 x16 interface. Its price at launch was 199 US Dollars.

Graphics Processor

GPU Name
Curacao
GPU Variant
Curacao XT
(215-0848004)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Die Size
212 mm²

Graphics Card

Release Date
Oct 8th, 2013
Generation
Volcanic Islands
(R9 200)
Production
End-of-life
Launch Price
199 USD
Bus Interface
PCIe 3.0 x16
Reviews
90 in our database

Relative Performance

4%
GeForce 210
5%
GeForce 9400 GT
7%
Radeon HD 4550
8%
Radeon HD 5450
10%
Radeon HD 6450
10%
GeForce GT 520
13%
GeForce GT 220
17%
GeForce GT 430
17%
Radeon HD 5570
19%
Radeon HD 4670
20%
GeForce GT 440
20%
GeForce GT 240
23%
GeForce 9600 GT
25%
Radeon HD 5670
26%
GeForce GT 640
27%
GeForce 9800 GT
28%
Radeon HD 6670
29%
Radeon HD 4830
31%
Radeon HD 4770
33%
Radeon HD 4850
34%
GeForce GTS 250
35%
GeForce GTS 450
36%
Radeon HD 5750
41%
Radeon HD 7750
41%
Radeon HD 5770
42%
GeForce GTX 260
42%
Radeon HD 4870
43%
Radeon Vega 8
43%
GeForce GTX 550 Ti
43%
GeForce GTX 650
46%
Radeon HD 5830
48%
Radeon HD 6790
49%
Radeon HD 4890
51%
GeForce GTX 460
51%
Radeon RX Vega 11
52%
GeForce GT 1030
52%
GeForce GTX 275
52%
Radeon HD 7770 GHz Edition
52%
GeForce GTX 280
54%
GeForce GTX 465
56%
Radeon HD 6850
57%
GeForce GTX 285
61%
Radeon HD 5850
62%
GeForce GTX 650 Ti
62%
Radeon HD 7790
65%
Radeon RX 550
65%
GeForce GTX 470
68%
Radeon HD 6870
72%
Radeon HD 5870
74%
GeForce GTX 560 Ti
75%
Radeon HD 4870 X2
76%
GeForce GTX 750 Ti
77%
Radeon HD 6950
79%
GeForce GTX 295
80%
GeForce GTX 650 Ti Boost
81%
Radeon HD 7850
82%
GeForce GTX 480
86%
Radeon HD 6970
88%
Radeon R7 265
89%
Radeon RX 460
89%
Radeon R7 370
89%
GeForce GTX 660
90%
GeForce GTX 570
91%
Radeon RX 560
97%
GeForce GTX 950
98%
Radeon HD 7870 GHz Edition
100%
Radeon R9 270X
101%
GeForce GTX 660 Ti
102%
GeForce GTX 580
102%
GeForce GTX 1050
103%
Radeon HD 7950
105%
Radeon HD 5970
108%
GeForce GTX 760
116%
GeForce GTX 670
119%
GeForce GTX 960
122%
Radeon R9 380
123%
Radeon R9 285
124%
Radeon HD 7970
125%
GeForce GTX 680
128%
GeForce GTX 1050 Ti
131%
GeForce GTX 770
135%
Radeon HD 6990
138%
Radeon R9 280X
140%
GeForce GTX 590
140%
Radeon HD 7970 GHz Edition
155%
GeForce GTX 780
160%
GeForce GTX 1650
170%
Radeon RX 470
173%
Radeon R9 290
182%
Radeon RX 570
184%
Radeon R9 390
185%
Radeon R9 290X
188%
GeForce GTX 970
190%
GeForce GTX TITAN
193%
GeForce GTX 780 Ti
196%
Radeon R9 390X
196%
Radeon HD 7990
197%
Radeon RX 480
199%
GeForce GTX 690
210%
Radeon RX 580
214%
GeForce GTX 980
217%
Radeon R9 FURY
217%
GeForce GTX 1060 6 GB
226%
Radeon RX 590
239%
Radeon R9 295X2
240%
GeForce GTX 1660
243%
Radeon R9 FURY X
247%
GeForce GTX 980 Ti
253%
GeForce GTX TITAN X
275%
GeForce GTX 1660 Ti
275%
GeForce GTX 1070
293%
Radeon RX Vega 56
311%
GeForce GTX 1070 Ti
320%
Radeon RX Vega 64
324%
GeForce GTX 1080
324%
GeForce RTX 2060
338%
Radeon RX 5700
364%
GeForce RTX 2060 SUPER
377%
GeForce RTX 2070
386%
Radeon RX 5700 XT
391%
Radeon VII
401%
TITAN X Pascal
413%
GeForce GTX 1080 Ti
417%
GeForce RTX 2070 SUPER
444%
GeForce RTX 2080
520%
GeForce RTX 2080 Ti
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
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
179.2 GB/s

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
33.60 GPixel/s
Texture Rate
84.00 GTexel/s
FP32 (float) performance
2.688 TFLOPS
FP64 (double) performance
168.0 GFLOPS (1:16)

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 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
Shader Model
5.1

Curacao GPU Notes

Architecture Codename: Southern Islands
Chip Variant: Pitcairn
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0

Retail boards based on this design (42)

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 4 GB, 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 4 GB, 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 4 GB, 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 4 GB, 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 1080 MHz 1400 MHz 4 GB, 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 4 GB, 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 4 GB, 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 4 GB, 8.7 inches/221 mm
XFX Double D R9 270X 4 GB 1000 MHz 1050 MHz 1400 MHz 4 GB, 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