ATI Radeon X1550 vs FirePro V3900

Primary details

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

Place in the ranking	944	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	2.31	no data
Architecture	TeraScale 2 (2009−2015)	Ultra-Threaded SE (2005−2007)
GPU code name	Turks	RV516
Market segment	Workstation	Desktop
Release date	7 February 2012 (12 years ago)	2007 (17 years ago)

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	480	no data
Core clock speed	650 MHz	550 MHz
Number of transistors	716 million	105 million
Manufacturing process technology	40 nm	90 nm
Power consumption (TDP)	199 Watt	27 Watt
Texture fill rate	15.60	2.200
Floating-point processing power	0.624 TFLOPS	no data
ROPs	8	4
TMUs	24	4

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 2.1 x16	no data
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	168 mm	no data
Width	1-slot	1-slot
Form factor	half height / half length	no data
Supplementary power connectors	None	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	GDDR3	DDR2
Maximum RAM amount	1 GB	256 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	900 MHz	800 MBps
Memory bandwidth	28 GB/s	12.8 GB/s

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	1x DVI, 1x DisplayPort	1x DVI, 1x VGA, 1x S-Video
DisplayPort count	1	no data
Dual-link DVI support	+	-
HD сomponent video output	+	-

API compatibility

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

DirectX	11.2 (11_0)	9.0c (9_3)
Shader Model	5.0	3.0
OpenGL	4.4	2.1
OpenCL	1.2	N/A
Vulkan	N/A	N/A

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Maximum RAM amount	1 GB	256 MB
Chip lithography	40 nm	90 nm
Power consumption (TDP)	199 Watt	27 Watt

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