Intel Arc G3 Extreme vs Intel Arc Pro B70 Comparison

Head-to-Head Benchmarks

The recorded data contains no direct benchmark scores for either the Intel Arc G3 Extreme or the Intel Arc Pro B70. Both entries show an average benchmark score of zero and no entries in the head-to-head comparison table. As a result, the win counts for both items stand at zero, meaning neither product can be credited with a performance victory based on measured results.

The lack of benchmark data does not, however, leave the comparison empty. The specification sheets provide substantial ground for projecting relative performance. The Arc Pro B70 delivers an FP32 throughput of 22.94 TFLOPS, while the Arc G3 Extreme reaches 7.680 TFLOPS. That places the B70 at roughly three times the raw single-precision compute capacity of the G3 Extreme. In FP16, the gap persists: the B70 outputs 45.88 TFLOPS, the G3 Extreme 15.36 TFLOPS, both using a 2:1 ratio.

Texture and pixel throughput follow the same pattern. The B70 renders 716.8 GTexel/s and 358.4 GPixel/s, compared with 120.0 GTexel/s and 60.00 GPixel/s for the G3 Extreme. These numbers indicate the B70 handles fill-rate-heavy workloads with substantially more headroom. The G3 Extreme, by contrast, operates as an integrated part of a Panther Lake processor, so its lower throughput aligns with its power envelope and form factor.

Memory bandwidth differences are stark. The B70 uses 32 GB of GDDR6 on a 256-bit bus, yielding 608.0 GB/s. The G3 Extreme relies on System Shared memory, with bandwidth listed as System Dependent. That means the G3 Extreme's effective bandwidth cannot be stated as a fixed figure; it varies with the host system's memory configuration. In practice, the B70's dedicated 608.0 GB/s will outperform any shared-memory setup, though the magnitude depends on the system.

Clock speeds also favor the B70. Its base clock runs at 2280 MHz and boosts to 2800 MHz. The G3 Extreme starts at 300 MHz and boosts to 2500 MHz. The B70's higher base clock alone suggests sustained performance under load, while the G3 Extreme's low base clock indicates aggressive power management, typical for an integrated GPU.

Neither product shows a percentile advantage over all GPUs in the database; both sit at the 50th percentile. With no benchmark scores recorded, the percentile values reflect a neutral position rather than a measured standing. The nearest rivals lists are empty for both, so no direct competitor comparisons can be drawn from the database.

Architecture Differences

The two GPUs come from different architectural lineages. The Arc G3 Extreme uses the Xe3-LPG architecture on a Panther Lake chip, part of the Arc Graphics-M (Panther Lake) generation. The Arc Pro B70 uses Xe2-HPG on a BMG-G31 chip, within the Battlemage (Pro Series) generation. This is a generational split: Xe3-LPG targets integrated graphics in mobile processors, while Xe2-HPG is a discrete GPU architecture.

Process nodes diverge as well. The G3 Extreme is fabricated on a 3 nm process at Intel's own foundry. The B70 uses a 5 nm process from TSMC. The G3 Extreme's smaller process node suggests a denser transistor layout, though the database lists transistor counts as unknown for both. Die size is unknown for the G3 Extreme, while the B70 measures 368 mm². The G3 Extreme, being integrated, likely shares a die with the CPU, but the database does not confirm that.

Shader resources differ by a factor of more than 2.5. The G3 Extreme contains 1536 shading units, 48 texture mapping units, and 24 render output units. The B70 has 4096 shading units, 256 TMUs, and 128 ROPs. Ray tracing hardware also varies: the G3 Extreme has 12 RT cores, the B70 has 32. Neither product lists tensor cores, so any AI acceleration claims cannot be verified from the data.

Memory architecture is fundamentally different. The G3 Extreme uses System Shared memory for both size and type, with a System Shared bus width and System Dependent bandwidth. The B70 has a dedicated 32 GB GDDR6 pool, a 256-bit bus, and fixed 608.0 GB/s bandwidth. The B70's memory clock is listed at 2375 MHz with 19 Gbps effective, while the G3 Extreme's memory clock is simply "System Shared."

Power and physical design separate them further. The G3 Extreme has an 80 W TDP, occupies an IGP slot width, uses no power connectors, and has a bus interface of IGP. The B70 draws 230 W, takes a Dual-slot width, requires one 8-pin power connector, and suggests a 550 W power supply. The B70's dimensions are 267 mm by 110 mm by 39 mm. The G3 Extreme has no listed dimensions, consistent with an integrated part.

Display outputs differ. The G3 Extreme lists "Portable Device Dependent" outputs, meaning they vary by laptop or handheld design. The B70 provides 1x HDMI 2.1a and 3x DisplayPort 2.1. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API compatibility is identical.

Release dates place the G3 Extreme later. The G3 Extreme launched on 2026-05-31, the B70 on 2026-03-25. The G3 Extreme's production status is Active; the B70's status is not recorded. The B70 carries a launch MSRP of 949 USD, while the G3 Extreme has no launch MSRP listed.

FAQ

Q: Which GPU has higher raw compute throughput?

A: The Arc Pro B70 delivers 22.94 TFLOPS FP32 and 45.88 TFLOPS FP16, compared to 7.680 TFLOPS FP32 and 15.36 TFLOPS FP16 for the Arc G3 Extreme. The B70 offers roughly three times the FP32 performance.

Q: How does memory capacity compare between the two?

A: The Arc Pro B70 has 32 GB of dedicated GDDR6 memory with 608.0 GB/s bandwidth on a 256-bit bus. The Arc G3 Extreme uses System Shared memory, meaning capacity and bandwidth depend on the host system and are not fixed in the database.

Q: Are both GPUs compatible with the same graphics APIs?

A: Yes. Both the Arc G3 Extreme and Arc Pro B70 support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What are the power requirements for each?

A: The Arc G3 Extreme has an 80 W TDP and requires no power connectors. The Arc Pro B70 has a 230 W TDP, requires a single 8-pin connector, and suggests a 550 W power supply.

Q: Which GPU has more ray tracing cores?

A: The Arc Pro B70 has 32 RT cores, while the Arc G3 Extreme has 12 RT cores. The B70 also has more shading units, TMUs, and ROPs.

Q: When did each product launch?

A: The Arc Pro B70 launched on 2026-03-25. The Arc G3 Extreme launched on 2026-05-31, roughly two months later.

The Verdict

The data points to a clear performance hierarchy. The Arc Pro B70 outclasses the Arc G3 Extreme in every measured compute metric: FP32, FP16, texture rate, pixel rate, shading units, TMUs, ROPs, and RT cores. It also brings dedicated 32 GB GDDR6 memory with 608.0 GB/s bandwidth, versus the G3 Extreme's shared-memory dependency. For workloads that scale with raw throughput, memory bandwidth, or fixed memory capacity, the B70 is the stronger part.

The Arc G3 Extreme, however, fits a different role. Its 80 W TDP, IGP form factor, and portable-device-dependent outputs place it inside a processor for thin-and-light systems. The B70, at 230 W with a dual-slot cooler and an 8-pin connector, is a discrete add-in card. The G3 Extreme's 3 nm Intel process node gives it a manufacturing advantage in density, but the database does not include transistor counts or die sizes to quantify that.

Neither GPU has recorded benchmark results, so the verdict rests entirely on specifications. The B70's 22.94 TFLOPS FP32 versus the G3 Extreme's 7.680 TFLOPS is a 3x gap. The B70's 358.4 GPixel/s versus 60.00 GPixel/s is a 6x gap in pixel throughput. These are not close margins. The B70 is the performance pick by a wide margin.

The G3 Extreme wins on integration and power. At 80 W with no external power connectors, it suits systems where a discrete card cannot fit. The B70's 230 W draw and 267 mm length require a desktop chassis with adequate cooling and a 550 W power supply. The G3 Extreme also launches later, suggesting a more recent design, but the database provides no performance data to confirm any advantage from that.

Specification Differences

The following fields differ between the two products:

• Chip: Panther Lake (G3 Extreme) vs BMG-G31 (B70)
• Architecture: Xe3-LPG vs Xe2-HPG
• Generation: Arc Graphics-M (Panther Lake) vs Battlemage (Pro Series)
• Process Node: 3 nm vs 5 nm
• Foundry: Intel vs TSMC
• Die Size: unknown vs 368 mm²
• Base Clock: 300 MHz vs 2280 MHz
• Boost Clock: 2500 MHz vs 2800 MHz
• Memory Clock: System Shared vs 2375 MHz 19 Gbps effective
• Memory Size: System Shared vs 32 GB
• Memory Type: System Shared vs GDDR6
• Memory Bus Width: System Shared vs 256 bit
• Memory Bandwidth: System Dependent vs 608.0 GB/s
• Shading Units: 1536 vs 4096
• TMUs: 48 vs 256
• ROPs: 24 vs 128
• RT Cores: 12 vs 32
• Pixel Rate: 60.00 GPixel/s vs 358.4 GPixel/s
• Texture Rate: 120.0 GTexel/s vs 716.8 GTexel/s
• FP32: 7.680 TFLOPS vs 22.94 TFLOPS
• FP16: 15.36 TFLOPS (2:1) vs 45.88 TFLOPS (2:1)
• TDP: 80 W vs 230 W
• Slot Width: IGP vs Dual-slot
• Power Connectors: None vs 1x 8-pin
• Suggested PSU: null vs 550 W
• Bus Interface: IGP vs PCIe 5.0 x16
• Display Outputs: Portable Device Dependent vs 1x HDMI 2.1a, 3x DisplayPort 2.1
• Dimensions: null vs 267 mm x 110 mm x 39 mm
• Release Date: 2026-05-31 vs 2026-03-25
• Production Status: Active vs null
• Launch MSRP: null vs 949 USD

Where Each One Wins

The Arc Pro B70 wins in every raw performance category. Its 22.94 TFLOPS FP32 and 45.88 TFLOPS FP16 make it suitable for compute-heavy tasks like rendering, simulation, or large-scale data processing. Its 608.0 GB/s bandwidth and 32 GB capacity support large datasets that would exhaust shared memory allocations. The 32 RT cores and 128 ROPs give it an edge in ray-traced workloads and high-resolution rasterization. The B70's 2800 MHz boost clock also provides higher peak frequency than the G3 Extreme's 2500 MHz.

The Arc G3 Extreme wins in power efficiency and physical integration. Its 80 W TDP is less than a third of the B70's 230 W. It requires no power connectors and occupies no expansion slot, making it viable for compact laptops, handhelds, or mini desktops where a dual-slot card cannot fit. Its 3 nm process node from Intel suggests a newer manufacturing technology, though the database does not quantify any efficiency gain. The G3 Extreme also launches later, which may imply newer firmware or driver support, but the database records no such details.

For a desktop workstation needing maximum throughput, the B70 is the clear choice. For a mobile or space-constrained system where power draw and physical footprint matter more than raw TFLOPS, the G3 Extreme is the only option that fits. The performance gap, however, is not small: the B70 offers 6x the pixel rate and 3x the FP32 throughput. Those differences dominate any advantage from the G3 Extreme's lower power draw.