Radeon 740M vs RX 640

Aggregate performance score

We've compared Radeon RX 640 and Radeon 740M, covering specs and all relevant benchmarks.

RX 640
2019
2 GB GDDR5, 50 Watt
5.23

740M outperforms RX 640 by an impressive 59% based on our aggregate benchmark results.

Primary details

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

Place in the ranking615503
Place by popularitynot in top-100not in top-100
Power efficiency7.2938.71
ArchitectureGCN 4.0 (2016−2020)RDNA 3.0 (2022−2024)
GPU code namePolaris 23Phoenix
Market segmentLaptopLaptop
Release date13 May 2019 (5 years ago)4 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 cores640256
Core clock speed1082 MHz800 MHz
Boost clock speed1218 MHz2500 MHz
Number of transistors2,200 million25,390 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)50 Watt15 Watt
Texture fill rate48.7240.00
Floating-point processing power1.559 TFLOPS2.56 TFLOPS
ROPs168
TMUs4016
Ray Tracing Coresno data4

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 sizelargeno data
InterfacePCIe 3.0 x8PCIe 4.0 x8
Supplementary power connectorsNoneNone

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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1500 MHzSystem Shared
Memory bandwidth48 GB/sno data
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 outputsPortable Device Dependent

Supported technologies

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

FreeSync+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.3

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.

RX 640 5.23
Radeon 740M 8.33
+59.3%

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.

RX 640 2016
Radeon 740M 3212
+59.3%

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 HD25
+19%
21
−19%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 9−10
−55.6%
14−16
+55.6%

Full HD
Medium Preset

Assassin's Creed Odyssey 20
−5%
21−24
+5%
Assassin's Creed Valhalla 5−6
−160%
12−14
+160%
Battlefield 5 12−14
−108%
27−30
+108%
Call of Duty: Modern Warfare 10−12
−63.6%
18−20
+63.6%
Cyberpunk 2077 9−10
−55.6%
14−16
+55.6%
Far Cry 5 10−12
−81.8%
20−22
+81.8%
Far Cry New Dawn 14−16
−78.6%
24−27
+78.6%
Forza Horizon 4 30−35
−84.4%
55−60
+84.4%
Hitman 3 10−12
−54.5%
16−18
+54.5%
Horizon Zero Dawn 30−35
−51.5%
50−55
+51.5%
Metro Exodus 27
+0%
27−30
+0%
Red Dead Redemption 2 26
+8.3%
24−27
−8.3%
Shadow of the Tomb Raider 18−20
−61.1%
27−30
+61.1%
Watch Dogs: Legion 45−50
−25.5%
55−60
+25.5%

Full HD
High Preset

Assassin's Creed Odyssey 14−16
−50%
21−24
+50%
Assassin's Creed Valhalla 5−6
−160%
12−14
+160%
Battlefield 5 12−14
−108%
27−30
+108%
Call of Duty: Modern Warfare 10−12
−63.6%
18−20
+63.6%
Cyberpunk 2077 9−10
−55.6%
14−16
+55.6%
Far Cry 5 10−12
−81.8%
20−22
+81.8%
Far Cry New Dawn 14−16
−78.6%
24−27
+78.6%
Forza Horizon 4 30−35
−84.4%
55−60
+84.4%
Hitman 3 10−12
−54.5%
16−18
+54.5%
Horizon Zero Dawn 30−35
−51.5%
50−55
+51.5%
Metro Exodus 10
−170%
27−30
+170%
Red Dead Redemption 2 14−16
−71.4%
24−27
+71.4%
Shadow of the Tomb Raider 18−20
−61.1%
27−30
+61.1%
The Witcher 3: Wild Hunt 18−20
−38.9%
24−27
+38.9%
Watch Dogs: Legion 45−50
−25.5%
55−60
+25.5%

Full HD
Ultra Preset

Assassin's Creed Odyssey 14−16
−50%
21−24
+50%
Assassin's Creed Valhalla 5−6
−160%
12−14
+160%
Call of Duty: Modern Warfare 10−12
−63.6%
18−20
+63.6%
Cyberpunk 2077 9−10
−55.6%
14−16
+55.6%
Far Cry 5 10−12
−81.8%
20−22
+81.8%
Forza Horizon 4 30−35
−84.4%
55−60
+84.4%
Hitman 3 10−12
−54.5%
16−18
+54.5%
Horizon Zero Dawn 30−35
−51.5%
50−55
+51.5%
Shadow of the Tomb Raider 18−20
−61.1%
27−30
+61.1%
The Witcher 3: Wild Hunt 11
−127%
24−27
+127%
Watch Dogs: Legion 45−50
−25.5%
55−60
+25.5%

Full HD
Epic Preset

Red Dead Redemption 2 14−16
−71.4%
24−27
+71.4%

1440p
High Preset

Battlefield 5 10−11
−70%
16−18
+70%
Far Cry New Dawn 8−9
−62.5%
12−14
+62.5%

1440p
Ultra Preset

Assassin's Creed Odyssey 5−6
−60%
8−9
+60%
Assassin's Creed Valhalla 0−1 4−5
Call of Duty: Modern Warfare 4−5
−125%
9−10
+125%
Cyberpunk 2077 2−3
−100%
4−5
+100%
Far Cry 5 6−7
−66.7%
10−11
+66.7%
Forza Horizon 4 12−14
−200%
35−40
+200%
Hitman 3 9−10
−33.3%
12−14
+33.3%
Horizon Zero Dawn 10−12
−63.6%
18−20
+63.6%
Metro Exodus 3−4
−300%
12−14
+300%
The Witcher 3: Wild Hunt 4−5
−100%
8−9
+100%
Watch Dogs: Legion 30−35
−75%
55−60
+75%

1440p
Epic Preset

Red Dead Redemption 2 9−10
−66.7%
14−16
+66.7%

4K
High Preset

Battlefield 5 4−5
−100%
8−9
+100%
Far Cry New Dawn 3−4
−100%
6−7
+100%
Hitman 3 1−2
−400%
5−6
+400%
Horizon Zero Dawn 8−9
−325%
30−35
+325%
Metro Exodus 2−3
−200%
6−7
+200%
The Witcher 3: Wild Hunt 1−2
−500%
6−7
+500%

4K
Ultra Preset

Assassin's Creed Odyssey 3−4
−66.7%
5−6
+66.7%
Assassin's Creed Valhalla 2−3
−100%
4−5
+100%
Call of Duty: Modern Warfare 2−3
−100%
4−5
+100%
Cyberpunk 2077 0−1 1−2
Far Cry 5 3−4
−66.7%
5−6
+66.7%
Forza Horizon 4 4−5
−150%
10−11
+150%
Watch Dogs: Legion 1−2
−200%
3−4
+200%

4K
Epic Preset

Red Dead Redemption 2 6−7
−50%
9−10
+50%

1440p
Ultra Preset

Shadow of the Tomb Raider 9−10
+0%
9−10
+0%

4K
Ultra Preset

Shadow of the Tomb Raider 5−6
+0%
5−6
+0%

This is how RX 640 and Radeon 740M compete in popular games:

  • RX 640 is 19% faster in 1080p

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

  • in Red Dead Redemption 2, with 1080p resolution and the Medium Preset, the RX 640 is 8% faster.
  • in The Witcher 3: Wild Hunt, with 4K resolution and the High Preset, the Radeon 740M is 500% faster.

All in all, in popular games:

  • RX 640 is ahead in 1 test (1%)
  • Radeon 740M is ahead in 66 tests (94%)
  • there's a draw in 3 tests (4%)

Pros & cons summary


Performance score 5.23 8.33
Recency 13 May 2019 4 January 2023
Chip lithography 14 nm 4 nm
Power consumption (TDP) 50 Watt 15 Watt

Radeon 740M has a 59.3% higher aggregate performance score, an age advantage of 3 years, a 250% more advanced lithography process, and 233.3% lower power consumption.

The Radeon 740M is our recommended choice as it beats the Radeon RX 640 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 RX 640
Radeon RX 640
AMD Radeon 740M
Radeon 740M

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.


3.2 255 votes

Rate Radeon RX 640 on a scale of 1 to 5:

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3.8 68 votes

Rate Radeon 740M 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.