GeForce GT 640M LE vs Radeon R5 M420

VS

Aggregate performance score

We've compared Radeon R5 M420 and GeForce GT 640M LE, covering specs and all relevant benchmarks.

R5 M420
2016
4 GB DDR3
1.26

GT 640M LE outperforms R5 M420 by a considerable 46% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1030911
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.04
Power efficiencyno data3.98
ArchitectureGCN 1.0 (2011−2020)Fermi (2010−2014)
GPU code nameJetGF108
Market segmentLaptopLaptop
Release date15 May 2016 (8 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 cores320Up to 384
Core clock speed780 MHzUp to 500 MHz
Boost clock speed850 MHzno data
Number of transistors690 million585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)no data20 Watt
Texture fill rate17.0012.05
Floating-point processing power0.544 TFLOPS0.289 TFLOPS
ROPs84
TMUs2016

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 3.0 x8PCIe 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 amount4 GB2 GB
Memory bus width64 Bit128bit
Memory clock speed1000 MHz785 MHz
Memory bandwidth16 GB/sUp to 28.8 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 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_1)12 API
Shader Model5.15.1
OpenGL4.64.5
OpenCL1.21.1
Vulkan1.2.131N/A
CUDA-+

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.

R5 M420 1.26
GT 640M LE 1.84
+46%

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.

R5 M420 486
GT 640M LE 709
+45.9%

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:

900p12−14
−58.3%
19
+58.3%
Full HD12−14
−58.3%
19
+58.3%

Cost per frame, $

1080pno data44.74

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
−16.7%
7−8
+16.7%
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 1−2
−200%
3−4
+200%
Far Cry New Dawn 3−4
−66.7%
5−6
+66.7%
Forza Horizon 4 2−3
−250%
7−8
+250%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
−21.4%
16−18
+21.4%
Red Dead Redemption 2 2−3
−100%
4−5
+100%
Shadow of the Tomb Raider 8−9
−12.5%
9−10
+12.5%
Watch Dogs: Legion 30−35
−6.1%
35−40
+6.1%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
−16.7%
7−8
+16.7%
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 1−2
−200%
3−4
+200%
Far Cry New Dawn 3−4
−66.7%
5−6
+66.7%
Forza Horizon 4 2−3
−250%
7−8
+250%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
−21.4%
16−18
+21.4%
Red Dead Redemption 2 2−3
−100%
4−5
+100%
Shadow of the Tomb Raider 8−9
−12.5%
9−10
+12.5%
The Witcher 3: Wild Hunt 10−12
−9.1%
12−14
+9.1%
Watch Dogs: Legion 30−35
−6.1%
35−40
+6.1%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
−16.7%
7−8
+16.7%
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 1−2
−200%
3−4
+200%
Forza Horizon 4 2−3
−250%
7−8
+250%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
−21.4%
16−18
+21.4%
Shadow of the Tomb Raider 8−9
−12.5%
9−10
+12.5%
The Witcher 3: Wild Hunt 10−12
−9.1%
12−14
+9.1%
Watch Dogs: Legion 30−35
−6.1%
35−40
+6.1%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
−100%
4−5
+100%

1440p
High Preset

Battlefield 5 1−2
−100%
2−3
+100%
Far Cry New Dawn 2−3
−50%
3−4
+50%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 1−2
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
−100%
2−3
+100%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 4−5
−25%
5−6
+25%
The Witcher 3: Wild Hunt 0−1 1−2
Watch Dogs: Legion 6−7
−66.7%
10−11
+66.7%

1440p
Epic Preset

Red Dead Redemption 2 4−5
−25%
5−6
+25%

4K
High Preset

Far Cry New Dawn 0−1 1−2

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−100%
2−3
+100%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 1−2

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Battlefield 5 1−2
+0%
1−2
+0%

Full HD
High Preset

Battlefield 5 1−2
+0%
1−2
+0%

4K
Ultra Preset

Watch Dogs: Legion 0−1 0−1

This is how R5 M420 and GT 640M LE compete in popular games:

  • GT 640M LE is 58% faster in 900p
  • GT 640M LE is 58% faster in 1080p

Here's the range of performance differences observed across popular games:

  • in Forza Horizon 4, with 1080p resolution and the Medium Preset, the GT 640M LE is 250% faster.

All in all, in popular games:

  • GT 640M LE is ahead in 39 tests (80%)
  • there's a draw in 10 tests (20%)

Pros & cons summary


Performance score 1.26 1.84
Recency 15 May 2016 4 May 2012
Maximum RAM amount 4 GB 2 GB
Chip lithography 28 nm 40 nm

R5 M420 has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

GT 640M LE, on the other hand, has a 46% higher aggregate performance score.

The GeForce GT 640M LE is our recommended choice as it beats the Radeon R5 M420 in performance tests.


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

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AMD Radeon R5 M420
Radeon R5 M420
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.


2.9 106 votes

Rate Radeon R5 M420 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

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