ATI Radeon HD 4580 vs GeForce GTX 960M

Primary details

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

Place in the ranking	492	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	8.01	no data
Architecture	Maxwell (2014−2017)	TeraScale (2005−2013)
GPU code name	GM107	RV635
Market segment	Laptop	Desktop
Release date	13 March 2015 (9 years ago)	20 November 2011 (13 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	640	120
Core clock speed	1096 MHz	796 MHz
Boost clock speed	1176 MHz	no data
Number of transistors	1,870 million	378 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	75 Watt	65 Watt
Texture fill rate	47.04	6.368
Floating-point processing power	1.505 TFLOPS	0.191 TFLOPS
ROPs	16	4
TMUs	40	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).

Laptop size	medium sized	no data
Bus support	PCI Express 3.0	no data
Interface	MXM-B (3.0)	PCIe 2.0 x16
Length	no data	190 mm
Width	no data	1-slot
Supplementary power connectors	no data	None
SLI options	+	-

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	4 GB	512 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	2500 MHz	693 MHz
Memory bandwidth	80 GB/s	22.18 GB/s
Shared memory	-	-

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	No outputs	2x DVI, 1x S-Video
VGA аnalog display support	+	no data
DisplayPort Multimode (DP++) support	+	no data
HDMI	+	-

Supported technologies

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

GameStream	+	-
GeForce ShadowPlay	+	-
GPU Boost	2.0	no data
GameWorks	+	-
H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
BatteryBoost	+	-
Ansel	+	-

API compatibility

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

DirectX	12 (11_0)	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.5	3.3
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	+	-

Pros & cons summary

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Recency	13 March 2015	20 November 2011
Maximum RAM amount	4 GB	512 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	75 Watt	65 Watt

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