Radeon HD 7670 OEM vs R9 270X

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking	365	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.50	no data
Architecture	GCN (2011−2017)	TeraScale 2 (2009−2015)
GPU code name	Curacao XT	Turks
Market segment	Desktop	Desktop
Design	reference	no data
Release date	8 October 2013 (10 years ago)	5 January 2012 (12 years ago)
Launch price (MSRP)	$199	no data
Current price	$136 (0.7x MSRP)	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1280	480
Core clock speed	no data	800 MHz
Boost clock speed	1050 MHz	no data
Number of transistors	2,800 million	716 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	180 Watt	66 Watt
Texture fill rate	84.00	19.20
Floating-point performance	2,688 gflops	768.0 gflops

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	no data	145 mm
Width	2-slot	1-slot
Supplementary power connectors	2 x 6-pin	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	GDDR5
Maximum RAM amount	4 GB	512 MB
Memory bus width	256 Bit	128 Bit
Memory clock speed	no data	4000 MHz
Memory bandwidth	179.2 GB/s	64 GB/s
Shared memory	-	no data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x DisplayPort, 1x VGA
Eyefinity	+	no data
HDMI	+	no data
DisplayPort support	+	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAcceleration	+	no data
CrossFire	1	no data
Enduro	-	no data
FreeSync	1	no data
HD3D	+	no data
LiquidVR	1	no data
PowerTune	-	no data
TressFX	1	no data
TrueAudio	+	no data
ZeroCore	-	no data
UVD	+	no data
DDMA audio	+	no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	DirectX® 12	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.6	4.4
OpenCL	1.2	1.2
Vulkan	+	N/A
Mantle	-	no data

Pros & cons summary

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Recency	8 October 2013	5 January 2012
Maximum RAM amount	4 GB	512 MB
Chip lithography	28 nm	40 nm
Power consumption (TDP)	180 Watt	66 Watt

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Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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