GeForce GTX 275 PhysX Edition vs Radeon R9 270

Primary details

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

Place in the ranking	477	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.38	no data
Power efficiency	5.26	no data
Architecture	GCN 1.0 (2012−2020)	Tesla 2.0 (2007−2013)
GPU code name	Curacao	GT200B
Market segment	Desktop	Desktop
Design	reference	no data
Release date	13 November 2013 (11 years ago)	16 February 2010 (15 years ago)
Launch price (MSRP)	$179	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1280	240
Core clock speed	no data	633 MHz
Boost clock speed	925 MHz	no data
Number of transistors	2,800 million	1,400 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	150 Watt	219 Watt
Texture fill rate	74.00	50.64
Floating-point processing power	2.368 TFLOPS	0.6221 TFLOPS
ROPs	32	28
TMUs	80	80
L1 Cache	320 KB	no data
L2 Cache	512 KB	224 KB

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	210 mm	267 mm
Width	2-slot	2-slot
Supplementary power connectors	1 x 6-pin	1x 6-pin + 1x 8-pin

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	GDDR3
Maximum RAM amount	2 GB	896 MB
Memory bus width	256 Bit	448 Bit
Memory clock speed	no data	1134 MHz
Memory bandwidth	179.2 GB/s	127.0 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI
Eyefinity	+	-
HDMI	+	-
DisplayPort support	+	-

Supported technologies

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

CrossFire	+	-
FreeSync	+	-
HD3D	+	-
LiquidVR	+	-
TressFX	+	-
TrueAudio	+	-
UVD	+	-
DDMA audio	+	no data

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	DirectX® 12	11.1 (10_0)
Shader Model	5.1	4.0
OpenGL	4.6	3.3
OpenCL	1.2	1.1
Vulkan	+	N/A
CUDA	-	1.3

Pros & cons summary

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Recency	13 November 2013	16 February 2010
Maximum RAM amount	2 GB	896 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	150 Watt	219 Watt

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