Radeon 620 vs GeForce GT 640M Mac Edition
Aggregate performance score
We've compared GeForce GT 640M Mac Edition and Radeon 620, covering specs and all relevant benchmarks.
620 outperforms GT 640M Mac Edition by a whopping 135% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1143 | 882 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.26 | 3.40 |
| Architecture | Kepler (2012−2018) | GCN 3.0 (2014−2019) |
| GPU code name | GK107 | Polaris 24 |
| Market segment | Laptop | Laptop |
| Release date | 3 February 2013 (12 years ago) | 13 May 2019 (6 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 | 384 |
| Core clock speed | 745 MHz | 730 MHz |
| Boost clock speed | no data | 1024 MHz |
| Number of transistors | 1,270 million | 1,550 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 32 Watt | 50 Watt |
| Texture fill rate | 23.84 | 24.58 |
| Floating-point processing power | 0.5722 TFLOPS | 0.7864 TFLOPS |
| ROPs | 8 | 8 |
| TMUs | 32 | 24 |
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).
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| 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 | 512 MB | 2 GB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 1250 MHz | 900 MHz |
| Memory bandwidth | 40 GB/s | 14.4 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 |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.0 | - |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 4−5
+0%
|
4−5
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Resident Evil 4 Remake | 2−3
+0%
|
2−3
+0%
|
Full HD
Medium Preset
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Counter-Strike 2 | 4−5
+0%
|
4−5
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| Fortnite | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 4 | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 5 | 4−5
+0%
|
4−5
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| Valorant | 40−45
+0%
|
40−45
+0%
|
Full HD
High Preset
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Counter-Strike 2 | 4−5
+0%
|
4−5
+0%
|
| Counter-Strike: Global Offensive | 45−50
+0%
|
45−50
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Dota 2 | 24−27
+0%
|
24−27
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| Fortnite | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 4 | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 5 | 4−5
+0%
|
4−5
+0%
|
| Grand Theft Auto V | 5−6
+0%
|
5−6
+0%
|
| Metro Exodus | 4−5
+0%
|
4−5
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| The Witcher 3: Wild Hunt | 9−10
+0%
|
9−10
+0%
|
| Valorant | 40−45
+0%
|
40−45
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Dota 2 | 24−27
+0%
|
24−27
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| Forza Horizon 4 | 10−12
+0%
|
10−12
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| The Witcher 3: Wild Hunt | 9−10
+0%
|
9−10
+0%
|
| Valorant | 40−45
+0%
|
40−45
+0%
|
Full HD
Epic Preset
| Fortnite | 10−12
+0%
|
10−12
+0%
|
1440p
High Preset
| Counter-Strike 2 | 3−4
+0%
|
3−4
+0%
|
| Counter-Strike: Global Offensive | 16−18
+0%
|
16−18
+0%
|
| Grand Theft Auto V | 1−2
+0%
|
1−2
+0%
|
| Metro Exodus | 0−1 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
+0%
|
21−24
+0%
|
| Valorant | 20−22
+0%
|
20−22
+0%
|
1440p
Ultra Preset
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic Preset
| Fortnite | 4−5
+0%
|
4−5
+0%
|
4K
High Preset
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| Valorant | 10−12
+0%
|
10−12
+0%
|
4K
Ultra Preset
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 6−7
+0%
|
6−7
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
+0%
|
3−4
+0%
|
4K
Epic Preset
| Fortnite | 3−4
+0%
|
3−4
+0%
|
All in all, in popular games:
- there's a draw in 52 tests (100%)
Pros & cons summary
| Performance score | 0.95 | 2.23 |
| Recency | 3 February 2013 | 13 May 2019 |
| Maximum RAM amount | 512 MB | 2 GB |
| Power consumption (TDP) | 32 Watt | 50 Watt |
GT 640M Mac Edition has 56.3% lower power consumption.
Radeon 620, on the other hand, has a 134.7% higher aggregate performance score, an age advantage of 6 years, and a 300% higher maximum VRAM amount.
The Radeon 620 is our recommended choice as it beats the GeForce GT 640M Mac Edition in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
