RTX PRO 4000 Blackwell SFF vs Radeon 620
Aggregate performance score
We've compared Radeon 620 with RTX PRO 4000 Blackwell SFF, including specs and performance data.
PRO 4000 Blackwell SFF outperforms 620 by a whopping 3043% 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 | 888 | 20 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 3.48 | 78.13 |
| Architecture | GCN 3.0 (2014−2019) | Blackwell 2.0 (2025) |
| GPU code name | Polaris 24 | GB203 |
| Market segment | Laptop | Workstation |
| Release date | 13 May 2019 (6 years ago) | 11 August 2025 (less than a 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 cores | 384 | 8960 |
| Core clock speed | 730 MHz | 790 MHz |
| Boost clock speed | 1024 MHz | 1337 MHz |
| Number of transistors | 1,550 million | 45,600 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 50 Watt | 70 Watt |
| Texture fill rate | 24.58 | 374.4 |
| Floating-point processing power | 0.7864 TFLOPS | 23.96 TFLOPS |
| ROPs | 8 | 96 |
| TMUs | 24 | 280 |
| Tensor Cores | no data | 280 |
| Ray Tracing Cores | no data | 70 |
| L1 Cache | 96 KB | 8.8 MB |
| L2 Cache | 128 KB | 48 MB |
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 x8 | PCIe 5.0 x8 |
| Length | no data | 167 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 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 | DDR3 | GDDR7 |
| Maximum RAM amount | 2 GB | 24 GB |
| Memory bus width | 64 Bit | 192 Bit |
| Memory clock speed | 900 MHz | 1125 MHz |
| Memory bandwidth | 14.4 GB/s | 432.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | 4x mini-DisplayPort 2.1b |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| Shader Model | 6.3 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2.131 | 1.4 |
| CUDA | - | 12.0 |
| DLSS | - | + |
Synthetic benchmarks
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.
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.
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 5−6
−2900%
|
150−160
+2900%
|
| Cyberpunk 2077 | 5−6
−2900%
|
150−160
+2900%
|
| Hogwarts Legacy | 7−8
−3043%
|
220−230
+3043%
|
Full HD
Medium
| Battlefield 5 | 7−8
−3043%
|
220−230
+3043%
|
| Counter-Strike 2 | 5−6
−2900%
|
150−160
+2900%
|
| Cyberpunk 2077 | 5−6
−2900%
|
150−160
+2900%
|
| Far Cry 5 | 6−7
−2900%
|
180−190
+2900%
|
| Fortnite | 10−12
−2627%
|
300−310
+2627%
|
| Forza Horizon 4 | 12−14
−2817%
|
350−400
+2817%
|
| Forza Horizon 5 | 5−6
−2900%
|
150−160
+2900%
|
| Hogwarts Legacy | 7−8
−3043%
|
220−230
+3043%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2817%
|
350−400
+2817%
|
| Valorant | 40−45
−2995%
|
1300−1350
+2995%
|
Full HD
High
| Battlefield 5 | 7−8
−3043%
|
220−230
+3043%
|
| Counter-Strike 2 | 5−6
−2900%
|
150−160
+2900%
|
| Counter-Strike: Global Offensive | 45−50
−2943%
|
1400−1450
+2943%
|
| Cyberpunk 2077 | 5−6
−2900%
|
150−160
+2900%
|
| Dota 2 | 24−27
−3025%
|
750−800
+3025%
|
| Far Cry 5 | 6−7
−2900%
|
180−190
+2900%
|
| Fortnite | 10−12
−2627%
|
300−310
+2627%
|
| Forza Horizon 4 | 12−14
−2817%
|
350−400
+2817%
|
| Forza Horizon 5 | 5−6
−2900%
|
150−160
+2900%
|
| Grand Theft Auto V | 5−6
−2900%
|
150−160
+2900%
|
| Hogwarts Legacy | 7−8
−3043%
|
220−230
+3043%
|
| Metro Exodus | 4−5
−2900%
|
120−130
+2900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2817%
|
350−400
+2817%
|
| The Witcher 3: Wild Hunt | 9−10
−3011%
|
280−290
+3011%
|
| Valorant | 40−45
−2995%
|
1300−1350
+2995%
|
Full HD
Ultra
| Battlefield 5 | 7−8
−3043%
|
220−230
+3043%
|
| Cyberpunk 2077 | 5−6
−2900%
|
150−160
+2900%
|
| Dota 2 | 24−27
−3025%
|
750−800
+3025%
|
| Far Cry 5 | 6−7
−2900%
|
180−190
+2900%
|
| Forza Horizon 4 | 12−14
−2817%
|
350−400
+2817%
|
| Hogwarts Legacy | 7−8
−3043%
|
220−230
+3043%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2817%
|
350−400
+2817%
|
| The Witcher 3: Wild Hunt | 9−10
−3011%
|
280−290
+3011%
|
| Valorant | 40−45
−2995%
|
1300−1350
+2995%
|
Full HD
Epic
| Fortnite | 10−12
−2627%
|
300−310
+2627%
|
1440p
High
| Counter-Strike 2 | 5−6
−2900%
|
150−160
+2900%
|
| Counter-Strike: Global Offensive | 16−18
−2841%
|
500−550
+2841%
|
| Grand Theft Auto V | 1−2
−2900%
|
30−33
+2900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
−2995%
|
650−700
+2995%
|
| Valorant | 18−20
−2795%
|
550−600
+2795%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
−2900%
|
30−33
+2900%
|
| Far Cry 5 | 3−4
−2900%
|
90−95
+2900%
|
| Forza Horizon 4 | 6−7
−2900%
|
180−190
+2900%
|
| Hogwarts Legacy | 2−3
−2900%
|
60−65
+2900%
|
| The Witcher 3: Wild Hunt | 3−4
−2900%
|
90−95
+2900%
|
1440p
Epic
| Fortnite | 4−5
−2900%
|
120−130
+2900%
|
4K
High
| Grand Theft Auto V | 16−18
−3025%
|
500−550
+3025%
|
| Valorant | 10−12
−2627%
|
300−310
+2627%
|
4K
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 6−7
−2900%
|
180−190
+2900%
|
| Far Cry 5 | 1−2
−2900%
|
30−33
+2900%
|
| Forza Horizon 4 | 1−2
−2900%
|
30−33
+2900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
−2900%
|
90−95
+2900%
|
4K
Epic
| Fortnite | 3−4
−2900%
|
90−95
+2900%
|
Pros & cons summary
| Performance score | 2.16 | 67.89 |
| Recency | 13 May 2019 | 11 August 2025 |
| Maximum RAM amount | 2 GB | 24 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 50 Watt | 70 Watt |
Radeon 620 has 40% lower power consumption.
RTX PRO 4000 Blackwell SFF, on the other hand, has a 3043.1% higher aggregate performance score, an age advantage of 6 years, a 1100% higher maximum VRAM amount, and a 460% more advanced lithography process.
The RTX PRO 4000 Blackwell SFF is our recommended choice as it beats the Radeon 620 in performance tests.
Be aware that Radeon 620 is a notebook graphics card while RTX PRO 4000 Blackwell SFF is a workstation one.
Other comparisons
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