Radeon RX 7900 GRE vs Quadro K620
Aggregate performance score
We've compared Quadro K620 with Radeon RX 7900 GRE, including specs and performance data.
7900 GRE outperforms K620 by a whopping 1148% 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 | 682 | 28 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.10 | 71.04 |
| Power efficiency | 9.10 | 19.66 |
| Architecture | Maxwell (2014−2017) | RDNA 3.0 (2022−2026) |
| GPU code name | GM107 | Navi 31 |
| Market segment | Workstation | Desktop |
| Release date | 22 July 2014 (12 years ago) | 27 July 2023 (3 years ago) |
| Launch price (MSRP) | $189.89 | $549 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
RX 7900 GRE has 6358% better value for money than Quadro K620.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 384 | 5120 |
| Core clock speed | 1058 MHz | 1287 MHz |
| Boost clock speed | 1124 MHz | 2245 MHz |
| Number of transistors | 1,870 million | 57,700 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 41 Watt | 260 Watt |
| Texture fill rate | 26.98 | 718.4 |
| Floating-point processing power | 0.8632 TFLOPS | 45.98 TFLOPS |
| ROPs | 16 | 160 |
| TMUs | 24 | 320 |
| Ray Tracing Cores | no data | 80 |
| L0 Cache | no data | 2.5 MB |
| L1 Cache | 192 KB | 2.5 MB |
| L2 Cache | 2 MB | 6 MB |
| L3 Cache | no data | 64 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 2.0 x16 | PCIe 4.0 x16 |
| Length | 160 mm | 276 mm |
| Width | 1" (2.5 cm) | 2-slot |
| Supplementary power connectors | None | 2x 8-pin |
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 | 128 Bit | GDDR6 |
| Maximum RAM amount | 2 GB | 16 GB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 900 MHz | 2250 MHz |
| Memory bandwidth | Up to 29 GB/s | 576.0 GB/s |
| Shared memory | no data | - |
| 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 | 1x DVI, 1x DisplayPort | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| Number of simultaneous displays | 4 | no data |
| HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Vision Pro | + | no data |
| Mosaic | + | no data |
| nView Desktop Management | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.8 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 2.2 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 5.0 | - |
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.
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 | 16−18 | 206
+1188%
|
| 1440p | 10−12 | 129
+1190%
|
| 4K | 6−7 | 77
+1183%
|
Cost per frame, $
| 1080p | 11.87 | 2.67
+77.5%
|
| 1440p | 18.99 | 4.26
+77.6%
|
| 4K | 31.65 | 7.13
+77.5%
|
- RX 7900 GRE has 78% lower cost per frame in 1080p
- RX 7900 GRE has 78% lower cost per frame in 1440p
- RX 7900 GRE has 77% lower cost per frame in 4K
FPS performance in popular games
Full HD
Low
| Atomic Heart | 303 | 303 |
| Counter-Strike 2 | 300−350 | 300−350 |
| Cyberpunk 2077 | 208 | 208 |
Full HD
Medium
| Atomic Heart | 232 | 232 |
| Battlefield 5 | 170−180 | 170−180 |
| Counter-Strike 2 | 300−350 | 300−350 |
| Cyberpunk 2077 | 184 | 184 |
| Far Cry 5 | 174 | 174 |
| Fortnite | 300−350 | 300−350 |
| Forza Horizon 4 | 260−270 | 260−270 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 350−400 | 350−400 |
Full HD
High
| Atomic Heart | 150 | 150 |
| Battlefield 5 | 170−180 | 170−180 |
| Counter-Strike 2 | 300−350 | 300−350 |
| Counter-Strike: Global Offensive | 270−280 | 270−280 |
| Cyberpunk 2077 | 158 | 158 |
| Far Cry 5 | 168 | 168 |
| Far Cry 6 | 169 | 169 |
| Fortnite | 300−350 | 300−350 |
| Forza Horizon 4 | 260−270 | 260−270 |
| Grand Theft Auto V | 164 | 164 |
| Metro Exodus | 179 | 179 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 382 | 382 |
| Valorant | 350−400 | 350−400 |
Full HD
Ultra
| Battlefield 5 | 170−180 | 170−180 |
| Cyberpunk 2077 | 148 | 148 |
| Far Cry 5 | 155 | 155 |
| Forza Horizon 4 | 260−270 | 260−270 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 209 | 209 |
| Valorant | 350−400 | 350−400 |
Full HD
Epic
| Fortnite | 300−350 | 300−350 |
1440p
High
| Counter-Strike 2 | 200−210 | 200−210 |
| Counter-Strike: Global Offensive | 500−550 | 500−550 |
| Far Cry 6 | 136 | 136 |
| Grand Theft Auto V | 130 | 130 |
| Metro Exodus | 111 | 111 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 450−500 | 450−500 |
1440p
Ultra
| Battlefield 5 | 160−170 | 160−170 |
| Cyberpunk 2077 | 98 | 98 |
| Far Cry 5 | 154 | 154 |
| Forza Horizon 4 | 220−230 | 220−230 |
| The Witcher 3: Wild Hunt | 156 | 156 |
1440p
Epic
| Fortnite | 150−160 | 150−160 |
4K
High
| Atomic Heart | 60−65 | 60−65 |
| Counter-Strike 2 | 90−95 | 90−95 |
| Far Cry 6 | 87 | 87 |
| Grand Theft Auto V | 151 | 151 |
| Metro Exodus | 71 | 71 |
| The Witcher 3: Wild Hunt | 125 | 125 |
| Valorant | 300−350 | 300−350 |
4K
Ultra
| Battlefield 5 | 120−130 | 120−130 |
| Counter-Strike 2 | 90−95 | 90−95 |
| Cyberpunk 2077 | 45 | 45 |
| Far Cry 5 | 107 | 107 |
| Forza Horizon 4 | 170−180 | 170−180 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 95−100 | 95−100 |
4K
Epic
| Fortnite | 75−80 | 75−80 |
This is how Quadro K620 and RX 7900 GRE compete in popular games:
- RX 7900 GRE is 1188% faster in 1080p
- RX 7900 GRE is 1190% faster in 1440p
- RX 7900 GRE is 1183% faster in 4K
All in all, in popular games:
- there's a draw in 61 tests (100%)
Pros & cons summary
| Performance score | 5.26 | 65.66 |
| Recency | 22 July 2014 | 27 July 2023 |
| Maximum RAM amount | 2 GB | 16 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 41 Watt | 260 Watt |
Quadro K620 has 84% lower power consumption.
RX 7900 GRE, on the other hand, has a 1148% higher aggregate performance score, an age advantage of 9 years, a 700% higher maximum VRAM amount, and a 82% more advanced lithography process.
The Radeon RX 7900 GRE is our recommended choice as it beats the Quadro K620 in performance tests.
Be aware that Quadro K620 is a workstation graphics card while Radeon RX 7900 GRE is a desktop one.
Other comparisons
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