GeForce RTX 4090 Mobile vs GT 640 Rev. 2

GT 610 GT 610 PCI GT 620 GT 625 OEM GT 630 GT 630 OEM GT 635 OEM GT 640 GT 640 OEM GT 640 OEM Rebrand GT 640 Rev. 2 GT 645 OEM
VS
RTX 2050 Mobile RTX 3050 Mobile RTX 4050 Max-Q RTX 4050 Mobile RTX 4060 Max-Q RTX 4060 Mobile RTX 4060 Ti Mobile RTX 4070 Max-Q RTX 4070 Mobile RTX 4080 Mobile RTX 4090 Max-Q RTX 4090 Mobile

Aggregate performance score

We've compared GeForce GT 640 Rev. 2 with GeForce RTX 4090 Mobile, including specs and performance data.

GT 640 Rev. 2
2013
1 GB GDDR5, 49 Watt
3.55

RTX 4090 Mobile outperforms GT 640 Rev. 2 by a whopping 1925% based on our aggregate benchmark results.

Contents

GT 640 Rev. 2 GT 640 Rev. 2
RTX 4090 Mobile RTX 4090 Mobile

Primary details

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

Place in the ranking71718
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
Power efficiency5.0241.48
ArchitectureKepler 2.0 (2013−2015)Ada Lovelace (2022−2024)
GPU code nameGK208AD103
Market segmentDesktopLaptop
Release date29 May 2013 (11 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$89 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 cores3849728
Core clock speed1046 MHz1335 MHz
Boost clock speedno data1695 MHz
Number of transistors915 million45,900 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)49 Watt120 Watt
Texture fill rate33.47515.3
Floating-point processing power0.8033 TFLOPS32.98 TFLOPS
ROPs8112
TMUs32304
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 2.0 x8PCIe 4.0 x16
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeGDDR5GDDR6
Maximum RAM amount1 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed1252 MHz2250 MHz
Memory bandwidth40.06 GB/s576.0 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 Connectors1x DVI, 1x HDMI, 1x VGAPortable Device Dependent
HDMI+-

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
CUDA3.58.9

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 HD8−9
−2125%
178
+2125%
1440p6−7
−2167%
136
+2167%
4K4−5
−1975%
83
+1975%

Cost per frame, $

1080p11.13no data
1440p14.83no data
4K22.25no data

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 GT 640 Rev. 2 and RTX 4090 Mobile compete in popular games:

  • RTX 4090 Mobile is 2125% faster in 1080p
  • RTX 4090 Mobile is 2167% faster in 1440p
  • RTX 4090 Mobile is 1975% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary

Performance score 3.55 71.87
Recency 29 May 2013 3 January 2023
Maximum RAM amount 1 GB 16 GB
Chip lithography 28 nm 4 nm
Power consumption (TDP) 49 Watt 120 Watt

GT 640 Rev. 2 has 144.9% lower power consumption.

RTX 4090 Mobile, on the other hand, has a 1924.5% higher aggregate performance score, an age advantage of 9 years, a 1500% 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 GT 640 Rev. 2 in performance tests.

Be aware that GeForce GT 640 Rev. 2 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile
Like
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Comparisons with similar GPUs

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

GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
ATI HD 4870 Radeon HD 4870
RTX 4090 Mobile GeForce RTX 4090 Mobile
vs
RTX 4080 Mobile GeForce RTX 4080 Mobile
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
Radeon 540 Radeon 540
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
Radeon 610M Radeon 610M
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RX 6700S Radeon RX 6700S
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RTX 3050 4 GB GeForce RTX 3050 4 GB
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RX 6600 XT Radeon RX 6600 XT
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RX Vega 7 Radeon RX Vega 7
GTX 780 GeForce GTX 780
vs
GTX 970M SLI GeForce GTX 970M SLI
GTX 780 GeForce GTX 780
vs
R9 M295X Radeon R9 M295X
GTX 780 GeForce GTX 780
vs
GTX 680MX GeForce GTX 680MX
GTX 780 GeForce GTX 780
vs
GTX 775M GeForce GTX 775M
GTX 780 GeForce GTX 780
vs
GTX 580M GeForce GTX 580M

Community ratings

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

3.9 26 votes

Rate GeForce GT 640 Rev. 2 on a scale of 1 to 5:

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3.6 619 votes

Rate GeForce RTX 4090 Mobile on a scale of 1 to 5:

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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.