HD Graphics 400 vs ATI Radeon HD 4870

Place in the ranking	718	1075
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.31	no data
Power efficiency	1.66	13.13
Architecture	TeraScale (2005−2013)	Generation 8.0 (2014−2015)
GPU code name	RV770	Braswell GT1
Market segment	Desktop	Laptop
Release date	25 June 2008 (16 years ago)	1 April 2015 (9 years ago)
Launch price (MSRP)	$299	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	800	96
Core clock speed	750 MHz	320 MHz
Boost clock speed	no data	600 MHz
Number of transistors	956 million	189 million
Manufacturing process technology	55 nm	14 nm
Power consumption (TDP)	150 Watt	6 Watt
Texture fill rate	30.00	7.200
Floating-point processing power	1.2 TFLOPS	0.1152 TFLOPS
ROPs	16	2
TMUs	40	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	250 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	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	GDDR5	DDR3L
Maximum RAM amount	1 GB	8 GB
Memory bus width	256 Bit	System Shared
Memory clock speed	900 MHz	System Shared
Memory bandwidth	115.2 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

2x DVI, 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	1.1	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	3.56	1.13
Recency	25 June 2008	1 April 2015
Maximum RAM amount	1 GB	8 GB
Chip lithography	55 nm	14 nm
Power consumption (TDP)	150 Watt	6 Watt

ATI HD 4870 has a 215% higher aggregate performance score.

HD Graphics 400, on the other hand, has an age advantage of 6 years, a 700% higher maximum VRAM amount, a 292.9% more advanced lithography process, and 2400% lower power consumption.

The Radeon HD 4870 is our recommended choice as it beats the HD Graphics 400 in performance tests.

Be aware that Radeon HD 4870 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.