GeForce4 MX 4000 vs Radeon HD 4580

Primary details

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

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	TeraScale (2005−2013)	Celsius (1999−2005)
GPU code name	RV635	NV18 A4
Market segment	Desktop	Desktop
Release date	20 November 2011 (12 years ago)	14 December 2003 (20 years ago)
Current price	no data	$48

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	120	no data
Core clock speed	796 MHz	250 MHz
Number of transistors	378 million	29 million
Manufacturing process technology	55 nm	150 nm
Power consumption (TDP)	65 Watt	no data
Texture fill rate	6.368	1.000
Floating-point performance	191.04 gflops	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).

Interface	PCIe 2.0 x16	AGP 8x
Length	190 mm	168 mm
Width	1-slot	1-slot
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	DDR
Maximum RAM amount	512 MB	128 MB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1386 MHz	332 MHz
Memory bandwidth	22.18 GB/s	2.656 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 S-Video

1x VGA

API compatibility

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

DirectX	10.1 (10_1)	8.0
Shader Model	4.1	no data
OpenGL	3.3	1.3
OpenCL	N/A	N/A
Vulkan	N/A	N/A

Pros & cons summary

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Recency	20 November 2011	14 December 2003
Maximum RAM amount	512 MB	128 MB
Chip lithography	55 nm	150 nm

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