GeForce GT 640M LE vs GT 820M

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Aggregate performance score

We've compared GeForce GT 820M and GeForce GT 640M LE, covering specs and all relevant benchmarks.

GT 820M
2013
1 GB DDR3, 15 Watt
1.45

GT 640M LE outperforms GT 820M by a significant 27% based on our aggregate benchmark results.

Primary details

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

Place in the ranking993918
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.06
Power efficiency6.633.94
ArchitectureFermi 2.0 (2010−2014)Fermi (2010−2014)
GPU code nameGF117GF108
Market segmentLaptopLaptop
Release date27 November 2013 (11 years ago)4 May 2012 (12 years ago)
Launch price (MSRP)no data$849.99

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 cores96Up to 384
Core clock speed775 MHzUp to 500 MHz
Number of transistors585 million585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)15 Watt20 Watt
Texture fill rate12.4012.05
Floating-point processing power0.2976 TFLOPS0.289 TFLOPS
ROPs84
TMUs1616

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 datamedium sized
Bus supportno dataPCI Express 2.0, PCI Express 3.0
InterfacePCIe 2.0 x16PCIe 2.0 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 typeDDR3DDR3\DDR5
Maximum RAM amount1 GB2 GB
Memory bus width64 Bit128bit
Memory clock speed900 MHz785 MHz
Memory bandwidth14.4 GB/sUp to 28.8 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 outputsNo outputs
HDMI-+
HDCP-+
Maximum VGA resolutionno dataUp to 2048x1536

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray-+
Optimus-+

API compatibility

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

DirectX12 (11_0)12 API
Shader Model5.15.1
OpenGL4.64.5
OpenCL1.11.1
VulkanN/AN/A
CUDA2.1+

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.

GT 820M 1.45
GT 640M LE 1.84
+26.9%

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.

GT 820M 559
GT 640M LE 709
+26.8%

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

GT 820M 2498
+6.6%
GT 640M LE 2344

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:

900p14−16
−35.7%
19
+35.7%
Full HD14−16
−42.9%
20
+42.9%

Cost per frame, $

1080pno data42.50

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 7−8
+0%
7−8
+0%
Battlefield 5 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 5−6
+0%
5−6
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Red Dead Redemption 2 4−5
+0%
4−5
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
Watch Dogs: Legion 35−40
+0%
35−40
+0%

Full HD
High Preset

Assassin's Creed Odyssey 7−8
+0%
7−8
+0%
Battlefield 5 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 5−6
+0%
5−6
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Red Dead Redemption 2 4−5
+0%
4−5
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%
Watch Dogs: Legion 35−40
+0%
35−40
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 7−8
+0%
7−8
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 3−4
+0%
3−4
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%
Watch Dogs: Legion 35−40
+0%
35−40
+0%

Full HD
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

1440p
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Watch Dogs: Legion 10−11
+0%
10−11
+0%

1440p
Epic Preset

Red Dead Redemption 2 5−6
+0%
5−6
+0%

4K
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+0%
2−3
+0%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 1−2
+0%
1−2
+0%
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

This is how GT 820M and GT 640M LE compete in popular games:

  • GT 640M LE is 36% faster in 900p
  • GT 640M LE is 43% faster in 1080p

All in all, in popular games:

  • there's a draw in 53 tests (100%)

Pros & cons summary


Performance score 1.45 1.84
Recency 27 November 2013 4 May 2012
Maximum RAM amount 1 GB 2 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 15 Watt 20 Watt

GT 820M has an age advantage of 1 year, a 42.9% more advanced lithography process, and 33.3% lower power consumption.

GT 640M LE, on the other hand, has a 26.9% higher aggregate performance score, and a 100% higher maximum VRAM amount.

The GeForce GT 640M LE is our recommended choice as it beats the GeForce GT 820M 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 GT 820M
GeForce GT 820M
NVIDIA GeForce GT 640M LE
GeForce GT 640M LE

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.


3.3 121 vote

Rate GeForce GT 820M on a scale of 1 to 5:

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3.3 58 votes

Rate GeForce GT 640M LE 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.