ATI Radeon X1950 XTX Uber Edition vs R9 270

Primary details

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

Place in the ranking	480	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.43	no data
Power efficiency	5.28	no data
Architecture	GCN 1.0 (2012−2020)	R500 (2005−2007)
GPU code name	Curacao	R580+
Market segment	Desktop	Desktop
Design	reference	no data
Release date	13 November 2013 (12 years ago)	19 January 2007 (19 years ago)
Launch price (MSRP)	$179	$788

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	no data
Core clock speed	no data	670 MHz
Boost clock speed	925 MHz	no data
Number of transistors	2,800 million	384 million
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	150 Watt	125 Watt
Texture fill rate	74.00	10.72
Floating-point processing power	2.368 TFLOPS	no data
ROPs	32	16
TMUs	80	16
L1 Cache	320 KB	no data
L2 Cache	512 KB	no data

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 1.0 x16
Length	210 mm	230 mm
Width	2-slot	2-slot
Supplementary power connectors	1 x 6-pin	1x 6-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	GDDR4
Maximum RAM amount	2 GB	512 MB
Memory bus width	256 Bit	256 Bit
Memory clock speed	no data	1050 MHz
Memory bandwidth	179.2 GB/s	67.2 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	1x DVI, 1x VHDCI
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	9.0c (9_3)
Shader Model	5.1	3.0
OpenGL	4.6	2.0
OpenCL	1.2	N/A
Vulkan	+	N/A

Pros & cons summary

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Recency	13 November 2013	19 January 2007
Maximum RAM amount	2 GB	512 MB
Chip lithography	28 nm	90 nm
Power consumption (TDP)	150 Watt	125 Watt

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