GeForce GT 640 vs Radeon RX 580 Mobile
Aggregate performance score
Radeon RX 580 Mobile outperforms GeForce GT 640 by a whopping 577% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 251 | 730 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 21.98 | 0.20 |
| Architecture | Polaris (2016−2019) | Kepler (2012−2018) |
| GPU code name | Polaris | GK107 |
| Market segment | Laptop | Desktop |
| Release date | 18 April 2017 (7 years ago) | 5 June 2012 (11 years ago) |
| Launch price (MSRP) | $301.69 | $99 |
| Current price | $410 (1.4x MSRP) | $157 (1.6x MSRP) |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
RX 580 Mobile has 10890% better value for money than GT 640.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2304 | 384 |
| Core clock speed | 1000 MHz | 902 MHz |
| Boost clock speed | 1077 MHz | no data |
| Number of transistors | 5,700 million | 1,270 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
| Texture fill rate | 155.1 | 28.86 |
| Floating-point performance | 4,963 gflops | 692.7 gflops |
Form factor & compatibility
Information on Radeon RX 580 Mobile and GeForce GT 640 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | large | no data |
| Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| Length | no data | 145 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | None |
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 type | GDDR5 | DDR3 |
| Maximum RAM amount | 8 GB | 2 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 8000 MHz | 1782 MHz |
| Memory bandwidth | 256.0 GB/s | 28.51 GB/s |
| Shared memory | - | no 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 Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
| HDMI | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 (11_0) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2.131 | 1.1.126 |
| CUDA | no data | 3.0 |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance 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.
Radeon RX 580 Mobile outperforms GeForce GT 640 by 577% based on our aggregated benchmark results.
3DMark Fire Strike Graphics
Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.
Benchmark coverage: 14%
Radeon RX 580 Mobile outperforms GeForce GT 640 by 622% in 3DMark Fire Strike Graphics.
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 HD | 79
+690%
| 10−12
−690%
|
| 4K | 31
+675%
| 4−5
−675%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 30−35
+725%
|
4−5
−725%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 40−45
+583%
|
6−7
−583%
|
| Assassin's Creed Valhalla | 35−40
+600%
|
5−6
−600%
|
| Battlefield 5 | 65−70
+580%
|
10−11
−580%
|
| Call of Duty: Modern Warfare | 45−50
+650%
|
6−7
−650%
|
| Cyberpunk 2077 | 30−35
+725%
|
4−5
−725%
|
| Far Cry 5 | 50−55
+643%
|
7−8
−643%
|
| Far Cry New Dawn | 55−60
+613%
|
8−9
−613%
|
| Forza Horizon 4 | 65−70
+644%
|
9−10
−644%
|
| Hitman 3 | 45−50
+600%
|
7−8
−600%
|
| Horizon Zero Dawn | 65−70
+580%
|
10−11
−580%
|
| Metro Exodus | 60−65
+578%
|
9−10
−578%
|
| Red Dead Redemption 2 | 55−60
+600%
|
8−9
−600%
|
| Shadow of the Tomb Raider | 60−65
+650%
|
8−9
−650%
|
| Watch Dogs: Legion | 35−40
+660%
|
5−6
−660%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 40−45
+583%
|
6−7
−583%
|
| Assassin's Creed Valhalla | 35−40
+600%
|
5−6
−600%
|
| Battlefield 5 | 65−70
+580%
|
10−11
−580%
|
| Call of Duty: Modern Warfare | 45−50
+650%
|
6−7
−650%
|
| Cyberpunk 2077 | 30−35
+725%
|
4−5
−725%
|
| Far Cry 5 | 50−55
+643%
|
7−8
−643%
|
| Far Cry New Dawn | 55−60
+613%
|
8−9
−613%
|
| Forza Horizon 4 | 65−70
+644%
|
9−10
−644%
|
| Hitman 3 | 45−50
+600%
|
7−8
−600%
|
| Horizon Zero Dawn | 65−70
+580%
|
10−11
−580%
|
| Metro Exodus | 60−65
+578%
|
9−10
−578%
|
| Red Dead Redemption 2 | 55−60
+600%
|
8−9
−600%
|
| Shadow of the Tomb Raider | 60−65
+650%
|
8−9
−650%
|
| The Witcher 3: Wild Hunt | 68
+580%
|
10−11
−580%
|
| Watch Dogs: Legion | 35−40
+660%
|
5−6
−660%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 40−45
+583%
|
6−7
−583%
|
| Assassin's Creed Valhalla | 35−40
+600%
|
5−6
−600%
|
| Call of Duty: Modern Warfare | 45−50
+650%
|
6−7
−650%
|
| Cyberpunk 2077 | 30−35
+725%
|
4−5
−725%
|
| Far Cry 5 | 50−55
+643%
|
7−8
−643%
|
| Forza Horizon 4 | 65−70
+644%
|
9−10
−644%
|
| Horizon Zero Dawn | 65−70
+580%
|
10−11
−580%
|
| Metro Exodus | 60−65
+578%
|
9−10
−578%
|
| The Witcher 3: Wild Hunt | 37
+640%
|
5−6
−640%
|
| Watch Dogs: Legion | 35−40
+660%
|
5−6
−660%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 55−60
+600%
|
8−9
−600%
|
1440p
High Preset
| Battlefield 5 | 35−40
+680%
|
5−6
−680%
|
| Far Cry New Dawn | 40−45
+583%
|
6−7
−583%
|
| Hitman 3 | 30−33
+650%
|
4−5
−650%
|
| Red Dead Redemption 2 | 14−16
+650%
|
2−3
−650%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 21−24
+633%
|
3−4
−633%
|
| Assassin's Creed Valhalla | 18−20
+850%
|
2−3
−850%
|
| Call of Duty: Modern Warfare | 27−30
+800%
|
3−4
−800%
|
| Cyberpunk 2077 | 12−14
+1100%
|
1−2
−1100%
|
| Far Cry 5 | 35−40
+600%
|
5−6
−600%
|
| Forza Horizon 4 | 40−45
+700%
|
5−6
−700%
|
| Horizon Zero Dawn | 40−45
+600%
|
6−7
−600%
|
| Metro Exodus | 35−40
+660%
|
5−6
−660%
|
| Shadow of the Tomb Raider | 40−45
+617%
|
6−7
−617%
|
| The Witcher 3: Wild Hunt | 21−24
+667%
|
3−4
−667%
|
| Watch Dogs: Legion | 14−16
+600%
|
2−3
−600%
|
4K
High Preset
| Far Cry 5 | 40−45
+700%
|
5−6
−700%
|
| Far Cry New Dawn | 21−24
+667%
|
3−4
−667%
|
| Hitman 3 | 16−18
+700%
|
2−3
−700%
|
| Horizon Zero Dawn | 21−24
+667%
|
3−4
−667%
|
| Shadow of the Tomb Raider | 14−16
+600%
|
2−3
−600%
|
| The Witcher 3: Wild Hunt | 24
+700%
|
3−4
−700%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 12−14
+1200%
|
1−2
−1200%
|
| Assassin's Creed Valhalla | 10−12
+1000%
|
1−2
−1000%
|
| Battlefield 5 | 24−27
+700%
|
3−4
−700%
|
| Call of Duty: Modern Warfare | 14−16
+650%
|
2−3
−650%
|
| Cyberpunk 2077 | 4−5 | 0−1 |
| Forza Horizon 4 | 27−30
+600%
|
4−5
−600%
|
| Horizon Zero Dawn | 21−24
+667%
|
3−4
−667%
|
| Metro Exodus | 20−22
+900%
|
2−3
−900%
|
| Watch Dogs: Legion | 9−10
+800%
|
1−2
−800%
|
4K
Epic Preset
| Red Dead Redemption 2 | 18−20
+800%
|
2−3
−800%
|
This is how RX 580 Mobile and GT 640 compete in popular games:
- RX 580 Mobile is 690% faster in 1080p
- RX 580 Mobile is 675% faster in 4K
Pros & cons summary
| Performance score | 20.58 | 3.04 |
| Recency | 18 April 2017 | 5 June 2012 |
| Cost | $301.69 | $99 |
| Maximum RAM amount | 8 GB | 2 GB |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
The Radeon RX 580 Mobile is our recommended choice as it beats the GeForce GT 640 in performance tests.
Be aware that Radeon RX 580 Mobile is a notebook card while GeForce GT 640 is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
