HD Graphics 400 vs GeForce 7800 GT

Place in the ranking	1190	1073
Place by popularity	not in top-100	not in top-100
Power efficiency	0.67	13.09
Architecture	Curie (2003−2013)	Generation 8.0 (2014−2015)
GPU code name	G70	Braswell GT1
Market segment	Desktop	Laptop
Release date	11 August 2005 (19 years ago)	1 April 2015 (9 years ago)
Launch price (MSRP)	$449	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	no data	96
Core clock speed	400 MHz	320 MHz
Boost clock speed	no data	600 MHz
Number of transistors	302 million	189 million
Manufacturing process technology	110 nm	14 nm
Power consumption (TDP)	65 Watt	6 Watt
Texture fill rate	8.000	7.200
Floating-point processing power	no data	0.1152 TFLOPS
ROPs	16	2
TMUs	20	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 1.0 x16	Ring Bus
Length	226 mm	no data
Width	1-slot	no data
Supplementary power connectors	1x 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	GDDR3	DDR3L
Maximum RAM amount	256 MB	8 GB
Memory bus width	256 Bit	System Shared
Memory clock speed	500 MHz	System Shared
Memory bandwidth	32 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	9.0c (9_3)	12 (11_1)
Shader Model	3.0	5.1
OpenGL	2.1	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	0.63	1.13
Recency	11 August 2005	1 April 2015
Maximum RAM amount	256 MB	8 GB
Chip lithography	110 nm	14 nm
Power consumption (TDP)	65 Watt	6 Watt

HD Graphics 400 has a 79.4% higher aggregate performance score, an age advantage of 9 years, a 3100% higher maximum VRAM amount, a 685.7% more advanced lithography process, and 983.3% lower power consumption.

The HD Graphics 400 is our recommended choice as it beats the GeForce 7800 GT in performance tests.

Be aware that GeForce 7800 GT 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.