GeForce RTX 4090 Mobile vs 840A

VS

Aggregate performance score

We've compared GeForce 840A and GeForce RTX 4090 Mobile, covering specs and all relevant benchmarks.

GeForce 840A
2014
2 GB DDR3, 33 Watt
2.97

RTX 4090 Mobile outperforms 840A by a whopping 2318% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking77918
Place by popularitynot in top-100not in top-100
Power efficiency6.2741.71
ArchitectureMaxwell (2014−2017)Ada Lovelace (2022−2024)
GPU code nameGM108AD103
Market segmentLaptopLaptop
Release date17 March 2014 (10 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 cores3849728
Core clock speed1029 MHz1335 MHz
Boost clock speed1124 MHz1695 MHz
Number of transistorsno data45,900 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)33 Watt120 Watt
Texture fill rate17.98515.3
Floating-point processing power0.8632 TFLOPS32.98 TFLOPS
ROPs8112
TMUs16304
Tensor Coresno data304
Ray Tracing Coresno data76

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 sizeno datalarge
InterfacePCIe 3.0 x8PCIe 4.0 x16

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 typeDDR3GDDR6
Maximum RAM amount2 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed1001 MHz2250 MHz
Memory bandwidth16.02 GB/s576.0 GB/s
Shared memoryno 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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA5.08.9

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.

GeForce 840A 2.97
RTX 4090 Mobile 71.81
+2318%

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.

GeForce 840A 1145
RTX 4090 Mobile 27696
+2319%

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 HD7−8
−2443%
178
+2443%
1440p5−6
−2520%
131
+2520%
4K3−4
−2733%
85
+2733%

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 GeForce 840A and RTX 4090 Mobile compete in popular games:

  • RTX 4090 Mobile is 2443% faster in 1080p
  • RTX 4090 Mobile is 2520% faster in 1440p
  • RTX 4090 Mobile is 2733% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 2.97 71.81
Recency 17 March 2014 3 January 2023
Maximum RAM amount 2 GB 16 GB
Chip lithography 28 nm 4 nm
Power consumption (TDP) 33 Watt 120 Watt

GeForce 840A has 263.6% lower power consumption.

RTX 4090 Mobile, on the other hand, has a 2317.8% higher aggregate performance score, an age advantage of 8 years, a 700% higher maximum VRAM amount, and a 600% more advanced lithography process.

The GeForce RTX 4090 Mobile is our recommended choice as it beats the GeForce 840A in performance tests.


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

Vote for your favorite

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NVIDIA GeForce 840A
GeForce 840A
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 14 votes

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3.6 638 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.