GeForce RTX 4090 Mobile vs 7900 GT

Place in the ranking	1179	18
Place by popularity	not in top-100	not in top-100
Power efficiency	0.97	41.73
Architecture	Curie (2003−2013)	Ada Lovelace (2022−2024)
GPU code name	G71	AD103
Market segment	Desktop	Laptop
Release date	9 March 2006 (18 years ago)	3 January 2023 (1 year 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	9728
Core clock speed	450 MHz	1335 MHz
Boost clock speed	no data	1695 MHz
Number of transistors	278 million	45,900 million
Manufacturing process technology	90 nm	4 nm
Power consumption (TDP)	48 Watt	120 Watt
Texture fill rate	10.80	515.3
Floating-point processing power	no data	32.98 TFLOPS
ROPs	16	112
TMUs	24	304
Tensor Cores	no data	304
Ray Tracing Cores	no data	76

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).

Laptop size	no data	large
Interface	PCIe 1.0 x16	PCIe 4.0 x16
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	GDDR6
Maximum RAM amount	256 MB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	660 MHz	2250 MHz
Memory bandwidth	42.24 GB/s	576.0 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

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 Ultimate (12_2)
Shader Model	3.0	6.7
OpenGL	2.1	4.6
OpenCL	N/A	3.0
Vulkan	N/A	1.3
CUDA	-	8.9

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

7900 GT 0.67

RTX 4090 Mobile 71.84
+10622%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

7900 GT 258

RTX 4090 Mobile 27715
+10642%

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	1−2 −17700%	178 +17700%
1440p	1−2 −13000%	131 +13000%
4K	0−1	85

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

156

+0%

156

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	95−100 +0%	95−100 +0%
Battlefield 5	170−180 +0%	170−180 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	142 +0%	142 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Far Cry New Dawn	130−140 +0%	130−140 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	168 +0%	168 +0%
Horizon Zero Dawn	210−220 +0%	210−220 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	110−120 +0%	110−120 +0%
Shadow of the Tomb Raider	210−220 +0%	210−220 +0%
Watch Dogs: Legion	140−150 +0%	140−150 +0%

Full HD
High Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	187 +0%	187 +0%
Battlefield 5	170−180 +0%	170−180 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	136 +0%	136 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Far Cry New Dawn	130−140 +0%	130−140 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	167 +0%	167 +0%
Horizon Zero Dawn	210−220 +0%	210−220 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	110−120 +0%	110−120 +0%
Shadow of the Tomb Raider	387 +0%	387 +0%
The Witcher 3: Wild Hunt	110−120 +0%	110−120 +0%
Watch Dogs: Legion	140−150 +0%	140−150 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	161 +0%	161 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	125 +0%	125 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	152 +0%	152 +0%
Horizon Zero Dawn	305 +0%	305 +0%
Shadow of the Tomb Raider	370 +0%	370 +0%
The Witcher 3: Wild Hunt	204 +0%	204 +0%
Watch Dogs: Legion	120 +0%	120 +0%

Full HD
Epic Preset

Red Dead Redemption 2

110−120

+0%

110−120

+0%

1440p
High Preset

Battlefield 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	85−90 +0%	85−90 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	60−65 +0%	60−65 +0%
Assassin's Creed Valhalla	128 +0%	128 +0%
Call of Duty: Modern Warfare	65−70 +0%	65−70 +0%
Cyberpunk 2077	95 +0%	95 +0%
Far Cry 5	60−65 +0%	60−65 +0%
Forza Horizon 4	260−270 +0%	260−270 +0%
Hitman 3	138 +0%	138 +0%
Horizon Zero Dawn	253 +0%	253 +0%
Metro Exodus	128 +0%	128 +0%
Shadow of the Tomb Raider	294 +0%	294 +0%
The Witcher 3: Wild Hunt	164 +0%	164 +0%
Watch Dogs: Legion	220−230 +0%	220−230 +0%

1440p
Epic Preset

Red Dead Redemption 2

90−95

+0%

90−95

+0%

4K
High Preset

Battlefield 5	60−65 +0%	60−65 +0%
Far Cry New Dawn	50−55 +0%	50−55 +0%
Hitman 3	45−50 +0%	45−50 +0%
Horizon Zero Dawn	65 +0%	65 +0%
Metro Exodus	75−80 +0%	75−80 +0%
The Witcher 3: Wild Hunt	150 +0%	150 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	40−45 +0%	40−45 +0%
Assassin's Creed Valhalla	78 +0%	78 +0%
Call of Duty: Modern Warfare	35−40 +0%	35−40 +0%
Cyberpunk 2077	48 +0%	48 +0%
Far Cry 5	35−40 +0%	35−40 +0%
Forza Horizon 4	80−85 +0%	80−85 +0%
Shadow of the Tomb Raider	156 +0%	156 +0%
Watch Dogs: Legion	69 +0%	69 +0%

4K
Epic Preset

Red Dead Redemption 2

50−55

+0%

50−55

+0%

This is how 7900 GT and RTX 4090 Mobile compete in popular games:

RTX 4090 Mobile is 17700% faster in 1080p
RTX 4090 Mobile is 13000% faster in 1440p

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	0.67	71.84
Recency	9 March 2006	3 January 2023
Maximum RAM amount	256 MB	16 GB
Chip lithography	90 nm	4 nm
Power consumption (TDP)	48 Watt	120 Watt

7900 GT has 150% lower power consumption.

RTX 4090 Mobile, on the other hand, has a 10622.4% higher aggregate performance score, an age advantage of 16 years, a 6300% higher maximum VRAM amount, and a 2150% more advanced lithography process.

The GeForce RTX 4090 Mobile is our recommended choice as it beats the GeForce 7900 GT in performance tests.

Be aware that GeForce 7900 GT is a desktop card while GeForce RTX 4090 Mobile is a notebook one.

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