GeForce RTX 4090 Mobile vs Radeon HD 7850
Aggregated performance score
GeForce RTX 4090 Mobile outperforms Radeon HD 7850 by 437% based on our aggregated benchmark results.
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 417 | 39 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-Effectiveness Evaluation | 1.41 | no data |
| Architecture | GCN 1.0 (2012−2020) | Ada Lovelace |
| GPU code name | Pitcairn | GN21-X11 |
| Market segment | Desktop | Laptop |
| Design | reference | no data |
| Release date | 5 March 2012 (12 years ago) | 3 January 2023 (1 year ago) |
| Launch price (MSRP) | $249 | no data |
| Current price | $267 (1.1x MSRP) | no data |
Cost-Effectiveness Evaluation
Performance to price ratio. The higher, the better.
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 | 1024 | 9728 |
| Boost clock speed | 1000 MHz | 2040 MHz |
| Number of transistors | 2,800 million | 45,900 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 130 Watt | 150 Watt (80 - 150 Watt TGP) |
| Texture fill rate | 55.04 | 515.3 |
| Floating-point performance | 1,761 gflops | no data |
Form Factor & Compatibility
Information on Radeon HD 7850 and GeForce RTX 4090 Mobile 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 | no data | large |
| Bus support | PCIe 2.1 x16 | no data |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Length | 210 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | no data |
| Memory type | GDDR5 | GDDR6 |
| Maximum RAM amount | 2 GB | 16 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1200 MHz | 20000 MHz |
| Memory bandwidth | 153.6 GB/s | 576.0 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 | 1x DVI, 1x HDMI, 2x mini-DisplayPort | Portable Device Dependent |
| Eyefinity | 1 | no data |
| HDMI | + | no data |
| DisplayPort support | - | no data |
Supported Technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | - | no data |
| CrossFire | 1 | no data |
| Enduro | - | no data |
| FreeSync | 1 | no data |
| HD3D | - | no data |
| PowerTune | - | no data |
| TrueAudio | - | no data |
| ZeroCore | - | no data |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | + | 1.3 |
| Mantle | - | no data |
| CUDA | no data | 8.9 |
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.
GeForce RTX 4090 Mobile outperforms Radeon HD 7850 by 437% 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%
GeForce RTX 4090 Mobile outperforms Radeon HD 7850 by 788% 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 | 30−35
−507%
| 182
+507%
|
| 1440p | 24−27
−467%
| 136
+467%
|
| 4K | 16−18
−438%
| 86
+438%
|
Pros & Cons Summary
| Performance score | 9.96 | 53.46 |
| Recency | 5 March 2012 | 3 January 2023 |
| Maximum RAM amount | 2 GB | 16 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 130 Watt | 150 Watt |
The GeForce RTX 4090 Mobile is our recommended choice as it beats the Radeon HD 7850 in performance tests.
Be aware that Radeon HD 7850 is a desktop card while GeForce RTX 4090 Mobile is a notebook 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.
