GeForce PCX 5900 vs Radeon HD 6850

Primary details

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

Place in the ranking	622	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.96	no data
Power efficiency	2.77	no data
Architecture	TeraScale 2 (2009−2015)	Rankine (2003−2005)
GPU code name	Barts	NV35
Market segment	Desktop	Desktop
Design	reference	no data
Release date	21 October 2010 (14 years ago)	17 March 2003 (21 year ago)
Launch price (MSRP)	$179	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	960	no data
Core clock speed	no data	350 MHz
Number of transistors	1,700 million	135 million
Manufacturing process technology	40 nm	130 nm
Power consumption (TDP)	127 Watt	no data
Texture fill rate	37.20	2.800
Floating-point processing power	1.488 TFLOPS	no data
ROPs	32	4
TMUs	48	8

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	AGP	no data
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	198 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	1x 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	DDR
Maximum RAM amount	1 GB	128 MB
Memory bus width	256 Bit	256 Bit
Memory clock speed	no data	275 MHz
Memory bandwidth	128.0 GB/s	17.6 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	2x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 1x VGA, 1x S-Video
Eyefinity	+	-
HDMI	+	-

Supported technologies

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

CrossFire

+

-

API compatibility

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

DirectX	DirectX® 11	9.0a
Shader Model	5.0	no data
OpenGL	4.4	1.5 (2.1)
OpenCL	1.2	N/A
Vulkan	-	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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Recency	21 October 2010	17 March 2003
Maximum RAM amount	1 GB	128 MB
Chip lithography	40 nm	130 nm

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