HD Graphics 400 vs ATI Radeon HD 3470

Place in the ranking	1321	1075
Place by popularity	not in top-100	not in top-100
Power efficiency	0.72	13.14
Architecture	TeraScale (2005−2013)	Generation 8.0 (2014−2015)
GPU code name	RV620	Braswell GT1
Market segment	Desktop	Laptop
Release date	23 January 2008 (16 years ago)	1 April 2015 (9 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	40	96
Core clock speed	800 MHz	320 MHz
Boost clock speed	no data	600 MHz
Number of transistors	181 million	189 million
Manufacturing process technology	55 nm	14 nm
Power consumption (TDP)	30 Watt	6 Watt
Texture fill rate	3.200	7.200
Floating-point processing power	0.064 TFLOPS	0.1152 TFLOPS
ROPs	4	2
TMUs	4	12

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	Ring Bus
Length	168 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	no data

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	DDR3L
Maximum RAM amount	256 MB	8 GB
Memory bus width	64 Bit	System Shared
Memory clock speed	950 MHz	System Shared
Memory bandwidth	15.2 GB/s	no data
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

1x DVI, 1x VGA, 1x S-Video

Portable Device Dependent

API compatibility

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

DirectX	10.1 (10_1)	12 (11_1)
Shader Model	4.1	5.1
OpenGL	3.3	4.3
OpenCL	N/A	3.0
Vulkan	N/A	+

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	0.31	1.13
Recency	23 January 2008	1 April 2015
Maximum RAM amount	256 MB	8 GB
Chip lithography	55 nm	14 nm
Power consumption (TDP)	30 Watt	6 Watt

HD Graphics 400 has a 264.5% higher aggregate performance score, an age advantage of 7 years, a 3100% higher maximum VRAM amount, a 292.9% more advanced lithography process, and 400% lower power consumption.

The HD Graphics 400 is our recommended choice as it beats the Radeon HD 3470 in performance tests.

Be aware that Radeon HD 3470 is a desktop card while HD Graphics 400 is a notebook one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.