Intel Arc B770 vs NVIDIA GeForce RTX 4050 Mobile Comparison

FAQ

Q: How does the Intel Arc B770 compare to the NVIDIA GeForce RTX 4050 Mobile in raw compute performance?

A: The Arc B770 delivers 19.66 TFLOPS FP32 performance versus 8.986 TFLOPS for the RTX 4050 Mobile, a gap of roughly 2.2x in favor of Intel. The Arc B770 also reaches 39.32 TFLOPS FP16 (2:1 rate), while the RTX 4050 Mobile manages 8.986 TFLOPS FP16 (1:1 rate).

Q: Which GPU has more memory and bandwidth?

A: The Arc B770 uses 16 GB GDDR6 on a 256-bit bus, providing 512.0 GB/s bandwidth. The RTX 4050 Mobile has 6 GB GDDR6 on a 96-bit bus, yielding 192.0 GB/s. The Intel part offers 2.67x the memory capacity and 2.67x the bandwidth.

Q: What are the power requirements for each card?

A: The Arc B770 has a 225 W TDP, requires a 550 W suggested PSU, and uses dual-slot cooling with 1x 6-pin and 1x 8-pin power connectors. The RTX 4050 Mobile is an IGP with a 50 W TDP, no power connectors, and no suggested PSU listed.

Q: How does the RTX 4050 Mobile rank among all GPUs in the database?

A: The RTX 4050 Mobile sits at the 63rd percentile of all GPUs, with an average benchmark score of 19,049. Its nearest rival, the AMD Radeon RX 6600, scores 19,036 (0.1% slower), while the NVIDIA RTX 2000 Ada Generation scores 18,954 (0.5% slower). The Tesla K20m is 0.2% ahead at 19,089.

Q: Which GPU supports newer display outputs?

A: The Arc B770 provides 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs. The RTX 4050 Mobile's display outputs are listed as "Portable Device Dependent," meaning they vary by laptop implementation.

Q: Are both GPUs based on the same manufacturing process?

A: Yes, both use a 5 nm process from TSMC. However, the Arc B770 uses Intel's Xe2-HPG architecture (Battlemage generation), while the RTX 4050 Mobile uses NVIDIA's Ada Lovelace architecture.

Architecture Differences

The Intel Arc B770 is built on the Xe2-HPG architecture, specifically the BMG-G31 chip, and belongs to the Battlemage (Arc 7) generation. Its predecessor is Alchemist. The die measures 368 mm², and while transistor count is unknown, the large die size suggests a substantial GPU. The architecture supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display output is handled through HDMI 2.1a and DisplayPort 2.1, and the card uses a PCIe 4.0 x16 interface.

The NVIDIA GeForce RTX 4050 Mobile uses the Ada Lovelace architecture with the AD107 chip, part of the GeForce 40 Mobile generation. It has 18,900 million transistors on a 159 mm² die, giving a transistor density of 118.9M per mm². This is a much smaller and denser chip than the Arc B770. The RTX 4050 Mobile supports the same API list (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4) but uses a PCIe 4.0 x8 interface, half the lanes of the Intel part. Its display outputs are portable-device dependent, reflecting its mobile IGP nature.

Key architectural differences: the Arc B770 has 4,096 shading units, 256 TMUs, and 128 ROPs, while the RTX 4050 Mobile has 2,560 shading units, 80 TMUs, and 48 ROPs. The Intel GPU includes 32 ray tracing cores but no tensor cores. The NVIDIA GPU has 20 ray tracing cores and 80 tensor cores, enabling dedicated AI acceleration. The FP16 execution differs: the Arc B770 runs FP16 at a 2:1 rate (double the FP32 throughput), while the RTX 4050 Mobile runs FP16 at 1:1 (same as FP32). The Intel part's clock profile is higher: 2100 MHz base and 2400 MHz boost versus 1455 MHz base and 1755 MHz boost for NVIDIA.

Where Each One Wins

The Arc B770 wins decisively in raw throughput and memory-bound workloads. Its 19.66 TFLOPS FP32 and 39.32 TFLOPS FP16 make it the stronger choice for compute-heavy tasks, especially those that leverage FP16. The 16 GB frame buffer and 512.0 GB/s bandwidth provide substantial headroom for large datasets, high-resolution textures, or workloads that spill beyond 6 GB. The 256-bit memory bus and 128 ROPs also favor high-resolution rendering and heavy pixel throughput.

The RTX 4050 Mobile wins in efficiency and portability. At 50 W TDP with no power connectors, it fits into thin laptops where the Arc B770's 225 W requirement is impossible. The 80 tensor cores give it a dedicated advantage in AI-accelerated workloads, including DLSS and similar features, even though the raw FP32 is far lower. Its 63rd percentile ranking versus the Arc B770's 50th percentile (based on the database's all-GPU percentile field) indicates that in real-world mixed benchmark suites, the mobile part performs better relative to its peers. The 1:1 FP16 rate means it does not artificially boost FP16 performance, which can be a benefit for workloads requiring consistent precision.

The Arc B770's PCIe 4.0 x16 interface doubles the bandwidth available to the RTX 4050 Mobile's x8 link, which helps in data-heavy scenarios. The Intel card also offers more display outputs with modern standards, while the NVIDIA part depends on the host device.

Specification Differences

| Specification | Intel Arc B770 | NVIDIA GeForce RTX 4050 Mobile |

|---|---|---|

| Architecture | Xe2-HPG | Ada Lovelace |

| Generation | Battlemage (Arc 7) | GeForce 40 Mobile |

| Chip | BMG-G31 | AD107 |

| Process Node | 5 nm | 5 nm |

| Die Size | 368 mm² | 159 mm² |

| Transistors | Unknown | 18,900 million |

| Base Clock | 2100 MHz | 1455 MHz |

| Boost Clock | 2400 MHz | 1755 MHz |

| Memory Size | 16 GB | 6 GB |

| Memory Bus | 256 bit | 96 bit |

| Memory Bandwidth | 512.0 GB/s | 192.0 GB/s |

| Shading Units | 4096 | 2560 |

| TMUs | 256 | 80 |

| ROPs | 128 | 48 |

| RT Cores | 32 | 20 |

| Tensor Cores | None | 80 |

| FP32 Performance | 19.66 TFLOPS | 8.986 TFLOPS |

| FP16 Performance | 39.32 TFLOPS (2:1) | 8.986 TFLOPS (1:1) |

| Pixel Rate | 307.2 GPixel/s | 84.24 GPixel/s |

| Texture Rate | 614.4 GTexel/s | 140.4 GTexel/s |

| TDP | 225 W | 50 W |

| Slot Width | Dual-slot | IGP |

| Power Connectors | 1x 6-pin + 1x 8-pin | None |

| Suggested PSU | 550 W | None |

| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |

| Display Outputs | 1x HDMI 2.1a, 3x DisplayPort 2.1 | Portable Device Dependent |

Head-to-Head Benchmarks

The database includes no direct head-to-head benchmark results between these two GPUs. The RTX 4050 Mobile has recorded benchmark scores, while the Arc B770 has an average benchmark score of 0 and no entries in its benchmark array. This means the Arc B770's performance cannot be compared numerically through direct tests. The RTX 4050 Mobile's scores provide its profile: Geekbench OpenCL 74,748, Geekbench Vulkan 75,235, Passmark G3D 14,423, and Passmark GPU Compute 5,947. Its average benchmark score is 19,049.

What can be compared is the RTX 4050 Mobile's standing among its nearest rivals. The AMD Radeon RX 6600 scores 19,036, a 0.1% delta. The NVIDIA Quadro K6000 scores 19,030, also 0.1% behind. The NVIDIA Tesla K20m scores 19,089, 0.2% ahead. The NVIDIA RTX 2000 Ada Generation scores 18,954, 0.5% behind. These deltas are all under 1%, indicating that the RTX 4050 Mobile sits in a tightly clustered performance band.

The Arc B770's theoretical specifications suggest it should outperform the RTX 4050 Mobile substantially: 2.19x FP32 throughput, 4.37x FP16 throughput, 3.65x pixel rate, 4.38x texture rate, and 2.67x memory bandwidth. However, without recorded benchmark scores for the Intel part, the database cannot confirm actual performance. The RTX 4050 Mobile's 63rd percentile versus the Arc B770's 50th percentile suggests that when normalized across all GPUs, the mobile NVIDIA part has a stronger measured track record in the database.

The RTX 4050 Mobile's Passmark scores show a mixed profile: DirectX 9 at 184, DirectX 11 at 130, DirectX 10 at 79, and DirectX 12 at 61. The G2D score is 633. These numbers indicate that the mobile GPU performs best in legacy DirectX 9 workloads and 2D tasks, with lower scores in modern API tests. The Arc B770, with no benchmark data, cannot be assessed on the same scale.

The Verdict

The Intel Arc B770 is the superior choice for desktop workloads demanding maximum throughput. Its 19.66 TFLOPS FP32, 512.0 GB/s memory bandwidth, 16 GB VRAM, and 225 W power budget place it in a performance class far above the RTX 4050 Mobile. The database shows the Arc B770 at the 50th percentile of all GPUs, but its specification sheet indicates it is designed for high-end rendering, compute, and large-frame-buffer tasks. The Xe2-HPG architecture with 4,096 shading units and 256 TMUs provides the hardware resources for such workloads. The dual-slot cooler, 550 W suggested PSU, and PCIe 4.0 x16 interface confirm this is a full-size desktop card.

The NVIDIA GeForce RTX 4050 Mobile is the correct pick for mobile systems where power and space are constrained. Its 50 W TDP, IGP form factor, and lack of power connectors make it suitable for thin laptops. The 80 tensor cores give it an edge in AI-accelerated applications, and its 1:1 FP16 rate offers consistent precision without the 2:1 boost seen on the Intel part. The recorded benchmark scores show it performs competitively with desktop GPUs in its class, as evidenced by the 63rd percentile ranking and sub-1% deltas to the RX 6600, Quadro K6000, Tesla K20m, and RTX 2000 Ada Generation.

For a user choosing between these two, the decision hinges on the form factor. The Arc B770 cannot fit in a laptop, and the RTX 4050 Mobile cannot operate in a desktop slot without an IGP motherboard. In a desktop with adequate cooling and power delivery, the Arc B770 offers vastly higher raw performance. In a portable device, the RTX 4050 Mobile is the only viable option. The database's lack of direct head-to-head benchmarks means the Arc B770's measured performance is unverified, but its specification sheet points to a clear performance advantage in every metric except efficiency and tensor-core count.