ATI Radeon HD 4520 vs HD 7750

Primary details

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

Place in the ranking	665	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.16	no data
Power efficiency	5.55	no data
Architecture	GCN 1.0 (2011−2020)	TeraScale (2005−2013)
GPU code name	Cape Verde	RV710
Market segment	Desktop	Desktop
Design	reference	no data
Release date	15 February 2012 (12 years ago)	2 December 2009 (14 years ago)
Launch price (MSRP)	$109	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	512	80
Core clock speed	no data	600 MHz
Boost clock speed	800 MHz	no data
Number of transistors	1,500 million	242 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	75 Watt	25 Watt
Texture fill rate	25.60	4.800
Floating-point processing power	0.8192 TFLOPS	0.096 TFLOPS
ROPs	16	4
TMUs	32	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	PCIe 2.1 x16	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	168 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	GDDR5	DDR2
Maximum RAM amount	1 GB	512 MB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1125 MHz	400 MHz
Memory bandwidth	72 GB/s	6.4 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 HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 1x DisplayPort
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	+	-

API compatibility

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

DirectX	DirectX® 11	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.6	3.3
OpenCL	1.2	1.1
Vulkan	-	N/A

Pros & cons summary

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Recency	15 February 2012	2 December 2009
Maximum RAM amount	1 GB	512 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	75 Watt	25 Watt

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