HD Graphics 405 vs GeForce 7900 GT

Place in the ranking	1186	1168
Place by popularity	not in top-100	not in top-100
Power efficiency	1.02	8.81
Architecture	Curie (2003−2013)	Generation 8.0 (2014−2015)
GPU code name	G71	Braswell GT1
Market segment	Desktop	Laptop
Release date	9 March 2006 (18 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	no data	128
Core clock speed	450 MHz	200 MHz
Boost clock speed	no data	600 MHz
Number of transistors	278 million	189 million
Manufacturing process technology	90 nm	14 nm
Power consumption (TDP)	48 Watt	6 Watt
Texture fill rate	10.80	9.600
Floating-point processing power	no data	0.1536 TFLOPS
ROPs	16	2
TMUs	24	16

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
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	System Shared
Maximum RAM amount	256 MB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	660 MHz	System Shared
Memory bandwidth	42.24 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.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD

12−14

−25%

15
+25%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4

+0%

3−4

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry New Dawn	1−2 +0%	1−2 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Red Dead Redemption 2	0−1	0−1
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
High Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry New Dawn	1−2 +0%	1−2 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Red Dead Redemption 2	0−1	0−1
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Epic Preset

Red Dead Redemption 2

0−1

1440p
High Preset

Far Cry New Dawn

1−2

+0%

1−2

+0%

1440p
Ultra Preset

Assassin's Creed Odyssey	0−1	0−1
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	3−4 +0%	3−4 +0%
Watch Dogs: Legion	2−3 +0%	2−3 +0%

1440p
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

4K
High Preset

Far Cry New Dawn

0−1

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

This is how 7900 GT and HD Graphics 405 compete in popular games:

HD Graphics 405 is 25% faster in 1080p

All in all, in popular games:

there's a draw in 35 tests (100%)

Pros & cons summary

Performance score	0.67	0.72
Recency	9 March 2006	1 April 2015
Chip lithography	90 nm	14 nm
Power consumption (TDP)	48 Watt	6 Watt

HD Graphics 405 has a 7.5% higher aggregate performance score, an age advantage of 9 years, a 542.9% more advanced lithography process, and 700% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between GeForce 7900 GT and HD Graphics 405.

Be aware that GeForce 7900 GT is a desktop card while HD Graphics 405 is a notebook one.

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