GeForce RTX 4090 D vs HD Graphics 400

Place in the ranking	1075	2
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	17.66
Power efficiency	13.14	15.40
Architecture	Generation 8.0 (2014−2015)	Ada Lovelace (2022−2024)
GPU code name	Braswell GT1	AD102
Market segment	Laptop	Desktop
Release date	1 April 2015 (9 years ago)	28 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$1,599

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	96	14592
Core clock speed	320 MHz	2280 MHz
Boost clock speed	600 MHz	2520 MHz
Number of transistors	189 million	76,300 million
Manufacturing process technology	14 nm	5 nm
Power consumption (TDP)	6 Watt	425 Watt
Texture fill rate	7.200	1,149
Floating-point processing power	0.1152 TFLOPS	73.54 TFLOPS
ROPs	2	176
TMUs	12	456
Tensor Cores	no data	456
Ray Tracing Cores	no data	114

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 4.0 x16
Length	no data	304 mm
Width	no data	3-slot
Supplementary power connectors	no data	1x 16-pin

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	GDDR6X
Maximum RAM amount	8 GB	24 GB
Memory bus width	System Shared	384 Bit
Memory clock speed	System Shared	1313 MHz
Memory bandwidth	no data	1,008 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	Portable Device Dependent	1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI	-	+

API compatibility

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

DirectX	12 (11_1)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.3	4.6
OpenCL	3.0	3.0
Vulkan	+	1.3
CUDA	-	8.9

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	93.83
Recency	1 April 2015	28 December 2023
Maximum RAM amount	8 GB	24 GB
Chip lithography	14 nm	5 nm
Power consumption (TDP)	6 Watt	425 Watt

HD Graphics 400 has 6983.3% lower power consumption.

RTX 4090 D, on the other hand, has a 8203.5% higher aggregate performance score, an age advantage of 8 years, a 200% higher maximum VRAM amount, and a 180% more advanced lithography process.

The GeForce RTX 4090 D is our recommended choice as it beats the HD Graphics 400 in performance tests.

Be aware that HD Graphics 400 is a notebook card while GeForce RTX 4090 D is a desktop one.

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