Intel Arc Pro B70 vs NVIDIA GeForce RTX 5070 Mobile Comparison

Where Each One Wins

The recorded data draws a sharp line between these two GPUs. The Intel Arc Pro B70 wins in raw compute throughput and memory subsystem specifications, while the NVIDIA GeForce RTX 5070 Mobile wins in every measured benchmark category where a score exists. This is not a case of one card dominating across the board; it is a case of two designs built for different workloads entirely.

The NVIDIA GeForce RTX 5070 Mobile holds benchmark scores in nine recorded tests. Its strongest results come from Geekbench OpenCL at 122238 and Geekbench Vulkan at 116960. The PassMark suite shows a DirectX 9 score of 214, DirectX 11 score of 192, DirectX 10 score of 129, and DirectX 12 score of 93. The G3D score reaches 20355, while GPU compute lands at 8279 and G2D at 896. These numbers place the RTX 5070 Mobile in the 75th percentile among all GPUs in the database, with an average benchmark score of 29928.

The Intel Arc Pro B70 has no recorded benchmark scores in the database. Its wins are entirely speculative, based on specification comparisons. The B70 delivers 22.94 TFLOPS of FP32 performance versus 13.13 TFLOPS for the RTX 5070 Mobile, a 74.7% advantage in raw shader throughput. The Intel card also carries 32 GB of GDDR6 memory on a 256-bit bus with 608.0 GB/s of bandwidth, compared to 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s for the NVIDIA part. The B70's pixel rate of 358.4 GPixel/s and texture rate of 716.8 GTexel/s dwarf the RTX 5070 Mobile's 68.40 GPixel/s and 205.2 GTexel/s.

Where the RTX 5070 Mobile wins decisively is in efficiency and portability. Its TDP is 50 W, its slot width is IGP (integrated graphics processor form factor), and it requires no power connectors. The Intel Arc Pro B70 demands 230 W, a dual-slot cooler, and a single 8-pin connector, with a suggested PSU of 550 W. The NVIDIA part also carries tensor cores: 144 of them, versus none listed for the Intel card. For AI workloads and any application that leverages tensor operations, the RTX 5070 Mobile has a structural advantage that no amount of raw FP32 throughput can offset.

Architecture Differences

The Intel Arc Pro B70 uses the BMG-G31 chip built on the Xe2-HPG architecture, part of the Battlemage (Pro Series) generation. The NVIDIA GeForce RTX 5070 Mobile uses the GB206 chip on Blackwell 2.0 architecture, part of the GeForce 50 Mobile generation. Both are fabricated on a 5 nm process at TSMC, so the process node is identical. The transistor counts differ dramatically: the RTX 5070 Mobile packs 21,900 million transistors on a 181 mm² die with a density of 121.0M per mm². The Intel card's transistor count is unknown, but its die size is 368 mm², roughly double the NVIDIA chip's area. The B70's transistor density is not recorded.

The execution resource breakdown shows different design philosophies. The Intel card has 4096 shading units, 256 TMUs, and 128 ROPs. The NVIDIA card has 4608 shading units, 144 TMUs, and only 48 ROPs. Intel allocates far more die area to texture and pixel processing, which explains its massive advantage in texture rate (716.8 GTexel/s versus 205.2 GTexel/s) and pixel rate (358.4 GPixel/s versus 68.40 GPixel/s). NVIDIA favors more shading units and relies on its tensor core array, 144 units, to accelerate tasks that Intel handles with pure shader throughput.

Ray tracing hardware also differs. Intel includes 32 RT cores; NVIDIA includes 36. The NVIDIA count is higher, but the architecture is different, and without benchmark data for the Intel card, direct comparison of ray tracing performance cannot be quantified. The memory subsystem diverges completely: Intel uses 32 GB of GDDR6 at 2375 MHz (19 Gbps effective) on a 256-bit bus. NVIDIA uses 8 GB of GDDR7 at 1500 MHz (24 Gbps effective) on a 128-bit bus. The bandwidth gap is substantial, 608.0 GB/s versus 384.0 GB/s, and the capacity gap is larger still.

Clock speeds favor Intel heavily. The B70 runs at 2280 MHz base and 2800 MHz boost. The RTX 5070 Mobile runs at 907 MHz base and 1425 MHz boost. This clock advantage, combined with the wider memory bus and higher ROP count, explains the Intel card's specification superiority. The FP16 figures reinforce the split: Intel delivers 45.88 TFLOPS (2:1 ratio), while NVIDIA delivers 13.13 TFLOPS (1:1 ratio). The 1:1 ratio on the NVIDIA card means its FP16 throughput equals its FP32 throughput, which is typical for consumer Blackwell parts but less flexible for mixed-precision workloads that benefit from a 2:1 boost.

The Verdict

The data points to a simple conclusion: these are different products for different environments, and the choice depends on the workload and the physical constraints of the system.

The Intel Arc Pro B70 is the specification leader. It offers 22.94 TFLOPS of FP32 compute, 32 GB of memory, 608.0 GB/s of bandwidth, and a 2800 MHz boost clock. Its pixel and texture rates are multiples of the NVIDIA card's figures. The B70 also uses PCIe 5.0 x16, as does the RTX 5070 Mobile, so bus interface is not a differentiator. The Intel card supports 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs, making it a desktop workstation part. Its launch MSRP is 949 USD, though pricing analysis is outside the scope of this data.

The NVIDIA GeForce RTX 5070 Mobile is the measured performance leader. It has nine benchmark scores, an average score of 29928, and sits in the 75th percentile of all GPUs. Its nearest rivals include the NVIDIA GeForce RTX 3070 Ti at 29945 (0.1% ahead of the RTX 5070 Mobile), the NVIDIA GeForce RTX 2080 Ti at 29783 (0.5% behind), the AMD Radeon RX 6800 at 30095 (0.6% ahead), and the AMD Radeon RX 6700 at 30433 (1.7% ahead). The RTX 5070 Mobile is essentially neck-and-neck with the RTX 3070 Ti and RTX 2080 Ti in aggregate score, despite being a mobile part with a 50 W TDP.

For a desktop workstation where power budget is not a constraint and memory capacity is critical, the Intel Arc Pro B70 is the data-backed choice. The 32 GB frame buffer alone, quadruple the NVIDIA card's 8 GB, supports large datasets, high-resolution textures, and compute workloads that require residency. The 230 W TDP and dual-slot cooler are acceptable in a full-size desktop chassis with a 550 W PSU.

For a laptop or any power-constrained mobile system, the NVIDIA GeForce RTX 5070 Mobile is the only viable option. Its 50 W TDP, IGP slot width, and lack of power connectors make it suitable for thin-and-light designs. The Intel card's dimensions, 267 mm length, 110 mm height, and 39 mm width, are desktop-only. The RTX 5070 Mobile also has tensor cores, which the Intel card lacks entirely, making the NVIDIA part the only option for AI acceleration in this comparison.

FAQ

Q: Which GPU has more memory bandwidth?

A: The Intel Arc Pro B70 has 608.0 GB/s of bandwidth from its 256-bit GDDR6 interface, while the NVIDIA GeForce RTX 5070 Mobile has 384.0 GB/s from its 128-bit GDDR7 interface.

Q: Does the Intel Arc Pro B70 have any recorded benchmark scores?

A: No. The database shows zero benchmark results for the Intel card. The NVIDIA GeForce RTX 5070 Mobile has nine recorded scores, including Geekbench OpenCL at 122238 and PassMark G3D at 20355.

Q: Which card has more ray tracing cores?

A: The NVIDIA GeForce RTX 5070 Mobile has 36 RT cores, while the Intel Arc Pro B70 has 32 RT cores.

Q: What is the process node for both GPUs?

A: Both use a 5 nm process at TSMC. The NVIDIA chip has 21,900 million transistors on a 181 mm² die, while the Intel die is 368 mm² with an unknown transistor count.

Q: Can the NVIDIA card be installed in a desktop?

A: The RTX 5070 Mobile is an IGP (integrated graphics processor) with a 50 W TDP and no power connectors, designed for portable devices. The Intel Arc Pro B70 is a dual-slot desktop card requiring a 1x 8-pin connector and a 550 W suggested PSU.

Q: How does the RTX 5070 Mobile compare to its nearest rivals?

A: The RTX 5070 Mobile's average benchmark score is 29928. The NVIDIA GeForce RTX 3070 Ti scores 29945 (0.1% higher), the RTX 2080 Ti scores 29783 (0.5% lower), the AMD Radeon RX 6800 scores 30095 (0.6% higher), and the AMD Radeon RX 6700 scores 30433 (1.7% higher).

Head-to-Head Benchmarks

The head-to-head benchmark table in the database is empty, so direct comparative runs are not available. However, the RTX 5070 Mobile's individual benchmark scores provide a baseline for what the NVIDIA part delivers, and the Intel card's specifications offer a theoretical counterpoint.

The RTX 5070 Mobile's Geekbench OpenCL score of 122238 is its highest recorded result. Geekbench Vulkan follows at 116960. These are compute-oriented tests that stress shader throughput and memory access patterns. The Intel B70's FP32 throughput of 22.94 TFLOPS is 74.7% higher than the NVIDIA card's 13.13 TFLOPS, suggesting that if the B70 were tested under the same workloads, it could post materially higher OpenCL and Vulkan scores. The B70's memory bandwidth advantage, 608.0 GB/s versus 384.0 GB/s, also favors compute-heavy tests that are bandwidth-limited.

The PassMark suite tells a different story for the NVIDIA part. The DirectX 9 score of 214 and DirectX 11 score of 192 are the strongest in that group, with DirectX 10 at 129 and DirectX 12 at 93. The G3D score of 20355 and GPU compute score of 8279 reflect real-world gaming and compute performance. The RTX 5070 Mobile's nearest rival, the RTX 3070 Ti, scores 29945 on average, just 0.1% above the mobile part. This places the RTX 5070 Mobile in the same performance class as a high-end desktop GPU from the Ampere generation, despite its 50 W TDP.

The Intel B70's pixel rate of 358.4 GPixel/s is 5.2 times the RTX 5070 Mobile's 68.40 GPixel/s. Its texture rate of 716.8 GTexel/s is 3.5 times the NVIDIA card's 205.2 GTexel/s. These ratios indicate that the Intel card would dominate in rasterization-heavy workloads that are ROP and TMU bound. The NVIDIA card's 4608 shading units versus 4096 for Intel gives it a 12.5% advantage in raw shader count, but the Intel card's 2800 MHz boost clock versus 1425 MHz gives the B70 a 96.5% clock advantage that more than compensates.

The tensor core situation is one-sided. The RTX 5070 Mobile has 144 tensor cores; the Intel card has none recorded. For any workload that uses tensor operations, including DLSS-style upscaling, AI inference, or machine learning training, the NVIDIA part is the only option in this comparison. The RTX 5070 Mobile's FP16 performance of 13.13 TFLOPS (1:1) matches its FP32 figure, which is standard for tensor-heavy consumer parts, while the Intel card's FP16 of 45.88 TFLOPS (2:1) is a pure shader throughput figure with no tensor acceleration.

Specification Differences

The two GPUs differ in nearly every measurable specification.

Processor and Architecture: Intel uses the BMG-G31 chip on Xe2-HPG architecture from the Battlemage (Pro Series) generation. NVIDIA uses the GB206 chip on Blackwell 2.0 architecture from the GeForce 50 Mobile generation. Both use TSMC 5 nm. The Intel die measures 368 mm² with unknown transistor count; the NVIDIA die measures 181 mm² with 21,900 million transistors and a density of 121.0M per mm².

Clocks: Intel runs at 2280 MHz base and 2800 MHz boost. NVIDIA runs at 907 MHz base and 1425 MHz boost. Memory clocks differ as well: Intel at 2375 MHz (19 Gbps effective), NVIDIA at 1500 MHz (24 Gbps effective).

Memory: Intel has 32 GB of GDDR6 on a 256-bit bus with 608.0 GB/s bandwidth. NVIDIA has 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s bandwidth.

Compute Resources: Intel has 4096 shading units, 256 TMUs, 128 ROPs, and 32 RT cores. NVIDIA has 4608 shading units, 144 TMUs, 48 ROPs, 36 RT cores, and 144 tensor cores. Intel has no tensor core count recorded.

Performance Rates: Intel delivers 358.4 GPixel/s pixel rate, 716.8 GTexel/s texture rate, 22.94 TFLOPS FP32, and 45.88 TFLOPS FP16 (2:1). NVIDIA delivers 68.40 GPixel/s pixel rate, 205.2 GTexel/s texture rate, 13.13 TFLOPS FP32, and 13.13 TFLOPS FP16 (1:1).

Power and Physical: Intel has a 230 W TDP, dual-slot width, 1x 8-pin power connector, and a suggested PSU of 550 W. NVIDIA has a 50 W TDP, IGP slot width, and no power connectors. Intel dimensions are 267 mm length, 110 mm height, 39 mm width; NVIDIA dimensions are not recorded.

Outputs and Interface: Intel offers 1x HDMI 2.1a and 3x DisplayPort 2.1. NVIDIA outputs are portable device dependent. Both use PCIe 5.0 x16. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Release and Status: Intel released on 2026-03-25 with a launch MSRP of 949 USD. NVIDIA released on 2025-04-14 with no recorded launch MSRP, is marked Active in production, and lists its predecessor as GeForce 40 Mobile. Intel's production status and predecessor are not recorded.