Radeon R5 M420 vs GeForce GT 645M
Aggregate performance score
We've compared GeForce GT 645M and Radeon R5 M420, covering specs and all relevant benchmarks.
GT 645M outperforms R5 M420 by an impressive 91% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 844 | 1039 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.23 | no data |
| Architecture | Kepler (2012−2018) | GCN 1.0 (2011−2020) |
| GPU code name | GK107 | Jet |
| Market segment | Laptop | Laptop |
| Release date | 1 October 2012 (12 years ago) | 15 May 2016 (8 years 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 cores | 384 | 320 |
| Core clock speed | Up to 710 MHz | 780 MHz |
| Boost clock speed | no data | 850 MHz |
| Number of transistors | 1,270 million | 690 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 32 Watt | no data |
| Texture fill rate | 22.69 | 17.00 |
| Floating-point processing power | 0.5445 TFLOPS | 0.544 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 32 | 20 |
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 size | medium sized | no data |
| Bus support | PCI Express 2.0, PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
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 | DDR3\GDDR5 | DDR3 |
| Maximum RAM amount | 2 GB | 4 GB |
| Memory bus width | 128bit | 64 Bit |
| Memory clock speed | 900 MHz | 1000 MHz |
| Memory bandwidth | Up to 64.0 GB/s | 16 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 Connectors | No outputs | No outputs |
| HDMI | + | - |
| HDCP | + | - |
| Maximum VGA resolution | Up to 2048x1536 | no data |
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.
| DirectX | 12 API | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | 1.1.126 | 1.2.131 |
| 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.
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.
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:
| 900p | 30
+114%
| 14−16
−114%
|
| Full HD | 23
+91.7%
| 12−14
−91.7%
|
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 10−11
+11.1%
|
9−10
−11.1%
|
| Cyberpunk 2077 | 6−7
+100%
|
3−4
−100%
|
| Elden Ring | 4−5 | 0−1 |
Full HD
Medium Preset
| Battlefield 5 | 5−6
+400%
|
1−2
−400%
|
| Counter-Strike 2 | 10−11
+11.1%
|
9−10
−11.1%
|
| Cyberpunk 2077 | 6−7
+100%
|
3−4
−100%
|
| Forza Horizon 4 | 12−14
+50%
|
8−9
−50%
|
| Metro Exodus | 3−4
+200%
|
1−2
−200%
|
| Red Dead Redemption 2 | 9−10
+50%
|
6−7
−50%
|
Full HD
High Preset
| Battlefield 5 | 5−6
+400%
|
1−2
−400%
|
| Counter-Strike 2 | 10−11
+11.1%
|
9−10
−11.1%
|
| Cyberpunk 2077 | 6−7
+100%
|
3−4
−100%
|
| Dota 2 | 6−7
+500%
|
1−2
−500%
|
| Elden Ring | 4−5 | 0−1 |
| Far Cry 5 | 14−16
+50%
|
10−11
−50%
|
| Fortnite | 12−14
+160%
|
5−6
−160%
|
| Forza Horizon 4 | 12−14
+50%
|
8−9
−50%
|
| Grand Theft Auto V | 6−7
+500%
|
1−2
−500%
|
| Metro Exodus | 3−4
+200%
|
1−2
−200%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
+64.3%
|
14−16
−64.3%
|
| Red Dead Redemption 2 | 9−10
+50%
|
6−7
−50%
|
| The Witcher 3: Wild Hunt | 10−11
+42.9%
|
7−8
−42.9%
|
| World of Tanks | 58
+115%
|
27−30
−115%
|
Full HD
Ultra Preset
| Battlefield 5 | 5−6
+400%
|
1−2
−400%
|
| Counter-Strike 2 | 10−11
+11.1%
|
9−10
−11.1%
|
| Cyberpunk 2077 | 6−7
+100%
|
3−4
−100%
|
| Dota 2 | 6−7
+500%
|
1−2
−500%
|
| Far Cry 5 | 14−16
+50%
|
10−11
−50%
|
| Forza Horizon 4 | 12−14
+50%
|
8−9
−50%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
+64.3%
|
14−16
−64.3%
|
1440p
High Preset
| Elden Ring | 2−3
+100%
|
1−2
−100%
|
| Grand Theft Auto V | 0−1 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+113%
|
8−9
−113%
|
| Red Dead Redemption 2 | 1−2 | 0−1 |
| World of Tanks | 16−18
+129%
|
7−8
−129%
|
1440p
Ultra Preset
| Battlefield 5 | 1−2 | 0−1 |
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 3−4
+50%
|
2−3
−50%
|
| Far Cry 5 | 7−8
+40%
|
5−6
−40%
|
| The Witcher 3: Wild Hunt | 4−5
+100%
|
2−3
−100%
|
| Valorant | 9−10
+50%
|
6−7
−50%
|
4K
High Preset
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| Elden Ring | 1−2 | 0−1 |
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
+133%
|
3−4
−133%
|
| Red Dead Redemption 2 | 1−2 | 0−1 |
| The Witcher 3: Wild Hunt | 14−16
+0%
|
14−16
+0%
|
4K
Ultra Preset
| Battlefield 5 | 2−3
+100%
|
1−2
−100%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| Far Cry 5 | 2−3 | 0−1 |
| Fortnite | 1−2 | 0−1 |
| Valorant | 2−3
+100%
|
1−2
−100%
|
This is how GT 645M and R5 M420 compete in popular games:
- GT 645M is 114% faster in 900p
- GT 645M is 92% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Dota 2, with 1080p resolution and the High Preset, the GT 645M is 500% faster.
All in all, in popular games:
- GT 645M is ahead in 35 tests (85%)
- there's a draw in 6 tests (15%)
Pros & cons summary
| Performance score | 2.43 | 1.27 |
| Recency | 1 October 2012 | 15 May 2016 |
| Maximum RAM amount | 2 GB | 4 GB |
GT 645M has a 91.3% higher aggregate performance score.
R5 M420, on the other hand, has an age advantage of 3 years, and a 100% higher maximum VRAM amount.
The GeForce GT 645M 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.
Other comparisons
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