GeForce 8400 GS vs HD Graphics 400

Place in the ranking	1078	1256
Place by popularity	not in top-100	not in top-100
Power efficiency	12.91	0.69
Architecture	Generation 8.0 (2014−2015)	Tesla (2006−2010)
GPU code name	Braswell GT1	G86
Market segment	Laptop	Desktop
Release date	1 April 2015 (9 years ago)	17 April 2007 (17 years ago)
Launch price (MSRP)	no data	$29.99

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	96	16
Core clock speed	320 MHz	459 MHz
Boost clock speed	600 MHz	no data
Number of transistors	189 million	210 million
Manufacturing process technology	14 nm	80 nm
Power consumption (TDP)	6 Watt	40 Watt
Texture fill rate	7.200	3.672
Floating-point processing power	0.1152 TFLOPS	0.02938 TFLOPS
ROPs	2	4
TMUs	12	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).

Interface	Ring Bus	PCIe 1.0 x16
Length	no data	170 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	DDR3L	DDR2
Maximum RAM amount	8 GB	256 MB
Standard memory config per GPU	no data	256 MB
Memory bus width	System Shared	64 Bit
Memory clock speed	System Shared	400 MHz
Memory bandwidth	no data	6.4 GB/s
Shared memory	+	no data

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

Portable Device Dependent

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

API compatibility

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

DirectX	12 (11_1)	11.1 (10_0)
Shader Model	5.1	4.0
OpenGL	4.3	2.1
OpenCL	3.0	1.1
Vulkan	+	N/A
CUDA	-	1.1

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	1.13	0.40
Recency	1 April 2015	17 April 2007
Maximum RAM amount	8 GB	256 MB
Chip lithography	14 nm	80 nm
Power consumption (TDP)	6 Watt	40 Watt

HD Graphics 400 has a 182.5% higher aggregate performance score, an age advantage of 7 years, a 3100% higher maximum VRAM amount, a 471.4% more advanced lithography process, and 566.7% lower power consumption.

The HD Graphics 400 is our recommended choice as it beats the GeForce 8400 GS in performance tests.

Be aware that HD Graphics 400 is a notebook card while GeForce 8400 GS is a desktop one.

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