Intel Arc G3 Extreme vs NVIDIA N1X 48SM Comparison

The Verdict

The database records two very different integrated graphics solutions, and the choice between them depends almost entirely on which platform the buyer is already committed to. The Intel Arc G3 Extreme is an IGP built into the Panther Lake processor, using the Xe3-LPG architecture on Intel's 3 nm process. The NVIDIA N1X 48SM is an IGP based on the GB20B chip, using Blackwell 2.0 architecture on TSMC's 5 nm process, and it connects through a PCIe 5.0 x16 interface. Neither part has launch MSRP data recorded, and both sit at the 50th percentile among all GPUs in the database, with no head-to-head benchmark scores available.

For a system where the processor is already a Panther Lake part, the Arc G3 Extreme is the only reasonable integrated option, as it shares the system memory and requires no additional board space beyond the IGP. For a platform that can accommodate the N1X 48SM, the recorded specifications show a dramatically larger compute configuration: 6144 shading units versus 1536, 384 texture mapping units versus 48, 48 render output units versus 24, and 48 ray tracing cores versus 12. The N1X 48SM also carries 192 tensor cores, while the Arc G3 Extreme has no tensor core count recorded. The data indicates the NVIDIA part is the stronger choice for any workload that scales with raw shader throughput, texture work, or ray tracing.

However, the Arc G3 Extreme has its own advantages in the recorded data. It reaches a higher boost clock at 2500 MHz versus 2346 MHz, and its base clock of 300 MHz is lower than the N1X 48SM's 741 MHz, suggesting a wider dynamic range for power management. The Intel part also lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 API support, whereas the NVIDIA part records N/A for DirectX, OpenGL, and Vulkan. For a portable device where API compatibility matters, the Intel IGP is the safer choice. The N1X 48SM shows a single HDMI output, while the Arc G3 Extreme's display outputs are listed as portable device dependent, which means the actual connectivity depends on the host system.

Architecture Differences

The two IGPs come from opposite design philosophies. The Intel Arc G3 Extreme uses the Xe3-LPG architecture, built on Panther Lake silicon at Intel's 3 nm process. The NVIDIA N1X 48SM uses Blackwell 2.0 architecture on the GB20B chip, fabricated by TSMC at 5 nm. The process node difference is significant: Intel's 3 nm gives the Arc part a density advantage on paper, though the die size for the Arc is not recorded, while the N1X 48SM has a recorded die size of 382 mm².

The compute layout diverges sharply. The Arc G3 Extreme packs 1536 shading units, 48 TMUs, 24 ROPs, and 12 RT cores, with no tensor core count listed. The N1X 48SM packs 6144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 192 tensor cores. That is exactly 4 times the shading units, 8 times the TMUs, 2 times the ROPs, and 4 times the RT cores. The tensor core count on the NVIDIA part is 192, which is 16 times the number of RT cores on the Intel part, but there is no direct comparison since the Arc has no tensor core data.

Memory architecture is fundamentally different. The Arc G3 Extreme uses system shared memory, with the bus width also listed as system shared and bandwidth as system dependent. The N1X 48SM has dedicated memory: 128 GB of LPDDR5X on a 256 bit bus, delivering 273.2 GB/s of bandwidth. The memory clock for the NVIDIA part is 1067 MHz, which translates to 8.5 Gbps effective. The Intel part has no dedicated memory clock, relying entirely on the host system's RAM.

The bus interface also differs. The Arc G3 Extreme uses an IGP connection with no power connectors and an 80 W TDP. The N1X 48SM also uses an IGP form factor and no power connectors, but its bus interface is PCIe 5.0 x16. The TDP for the NVIDIA part is unknown in the database, so no direct power comparison can be made. Both parts are listed as Active in production status, with the same release date recorded.

Where Each One Wins

The recorded data shows no head-to-head benchmarks, so the win split must be inferred from the specification differences. The N1X 48SM wins in raw compute density. Its FP32 throughput is 28.83 TFLOPS versus 7.680 TFLOPS for the Arc G3 Extreme, a factor of 3.75. Its texture rate is 900.9 GTexel/s versus 120.0 GTexel/s, a factor of 7.5. Its pixel rate is 112.6 GPixel/s versus 60.00 GPixel/s, a factor of 1.88. For any workload that is shader-bound, texture-bound, or pixel-bound, the NVIDIA part dominates by a wide margin.

The N1X 48SM also wins in memory bandwidth. With 273.2 GB/s of dedicated LPDDR5X bandwidth on a 256 bit bus, it avoids the contention and latency of shared system memory. The Arc G3 Extreme's bandwidth is system dependent, which means it can vary wildly based on the host platform's memory configuration. In a best-case scenario with fast system RAM, the Arc might approach acceptable bandwidth, but the recorded data shows no such figure, so the NVIDIA part's fixed 273.2 GB/s is the only concrete number available.

The Arc G3 Extreme wins in API support and clock speed. It lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the N1X 48SM records N/A for all three. For a user who needs Vulkan or DirectX 12 features, the Intel part is the only one with confirmed compatibility. The Arc also boosts to 2500 MHz, which is 154 MHz higher than the NVIDIA part's 2346 MHz boost. At equal efficiency, that clock advantage would help close the gap, but the raw unit count difference is too large to overcome.

The Arc G3 Extreme also wins on power envelope, with a recorded TDP of 80 W. The N1X 48SM has no TDP recorded, so it cannot be compared directly, but the absence of a recorded power figure in the database means the Intel part is the only one with a confirmed power budget. In a thin-and-light portable device, an 80 W IGP is a known quantity, while the NVIDIA part's power draw is unverified.

FAQ

Q: Which GPU has higher FP32 compute throughput?

A: The NVIDIA N1X 48SM records 28.83 TFLOPS of FP32 performance, while the Intel Arc G3 Extreme records 7.680 TFLOPS. The NVIDIA part is 3.75 times higher.

Q: Does the Intel Arc G3 Extreme support DirectX 12 Ultimate?

A: Yes, the database lists DirectX 12 Ultimate (12_2) for the Arc G3 Extreme, along with OpenGL 4.6 and Vulkan 1.4. The NVIDIA N1X 48SM records N/A for DirectX, OpenGL, and Vulkan.

Q: What memory configuration does the NVIDIA N1X 48SM use?

A: The N1X 48SM uses 128 GB of LPDDR5X memory on a 256 bit bus with 273.2 GB/s bandwidth. The memory clock is 1067 MHz, which is 8.5 Gbps effective.

Q: How many ray tracing cores does each GPU have?

A: The Intel Arc G3 Extreme has 12 RT cores, while the NVIDIA N1X 48SM has 48 RT cores. The NVIDIA part has 4 times as many.

Q: What is the boost clock for each GPU?

A: The Intel Arc G3 Extreme boosts to 2500 MHz, while the NVIDIA N1X 48SM boosts to 2346 MHz. The Intel part has a 154 MHz higher boost clock.

Q: Does the NVIDIA N1X 48SM have tensor cores?

A: Yes, the N1X 48SM records 192 tensor cores. The Intel Arc G3 Extreme has no tensor core count listed in the database.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results for these two parts, and neither has an average benchmark score or any individual benchmark entries. The wins comparison must therefore rely entirely on the recorded specification data.

The biggest win for the NVIDIA N1X 48SM is in texture rate. At 900.9 GTexel/s, it is 7.5 times higher than the Arc G3 Extreme's 120.0 GTexel/s. This is the largest relative gap in any compute metric. The texture rate difference comes from the 384 TMUs versus 48 TMUs, combined with the clock speeds. Even with the Arc's higher boost clock, the 8-to-1 TMU ratio produces a 7.5-to-1 throughput advantage.

The second largest win is in FP32 throughput. The N1X 48SM delivers 28.83 TFLOPS versus 7.680 TFLOPS, a 3.75 times advantage. This aligns with the 4-to-1 shading unit ratio (6144 versus 1536), slightly tempered by the clock difference. The Arc's 2500 MHz boost versus the N1X's 2346 MHz boost means each Arc shading unit does more work per clock, but the sheer unit count overwhelms that advantage.

The pixel rate gap is smaller but still substantial. The N1X 48SM records 112.6 GPixel/s versus 60.00 GPixel/s for the Arc, a 1.88 times advantage. The ROP count is 48 versus 24, exactly 2 times, and the pixel rate ratio is slightly less than 2 times due to the clock difference.

The FP16 comparison shows a different pattern. The N1X 48SM records 28.83 TFLOPS for FP16, which is the same as its FP32 figure, indicating a 1:1 ratio. The Arc G3 Extreme records 15.36 TFLOPS FP16, which is exactly 2 times its FP32 figure, indicating a 2:1 ratio. The NVIDIA part still wins in absolute FP16 throughput, but the Intel part's 2:1 ratio means it gets a relative boost in FP16 workloads that the NVIDIA part does not.

The memory bandwidth gap is 273.2 GB/s versus system dependent. Since the Arc's bandwidth is not a fixed number, the comparison is not a clean ratio. The N1X 48SM has a confirmed 273.2 GB/s, while the Arc could be higher or lower depending on the host system's RAM speed and channel configuration. The database records the NVIDIA part as the only one with a fixed bandwidth figure.

The only metric where the Arc G3 Extreme wins outright is boost clock, at 2500 MHz versus 2346 MHz. This is a 6.6 percent clock advantage. The Arc also has a lower base clock at 300 MHz versus 741 MHz, which suggests a wider power management range, allowing the chip to drop to very low power when idle.

Specification Differences

The two parts differ in nearly every recorded specification field.

Process node: Intel Arc G3 Extreme uses 3 nm, NVIDIA N1X 48SM uses 5 nm. The foundry differs as well: Intel for the Arc, TSMC for the NVIDIA part.

Die size: The N1X 48SM has a recorded die size of 382 mm². The Arc G3 Extreme has no die size recorded.

Base clock: Arc G3 Extreme at 300 MHz, N1X 48SM at 741 MHz.

Boost clock: Arc G3 Extreme at 2500 MHz, N1X 48SM at 2346 MHz.

Memory clock: Arc G3 Extreme uses system shared memory with no dedicated clock. N1X 48SM has a memory clock of 1067 MHz, 8.5 Gbps effective.

Memory size: Arc G3 Extreme uses system shared memory. N1X 48SM has 128 GB of LPDDR5X.

Memory bus width: Arc G3 Extreme is system shared. N1X 48SM is 256 bit.

Memory bandwidth: Arc G3 Extreme is system dependent. N1X 48SM is 273.2 GB/s.

Shading units: Arc G3 Extreme has 1536, N1X 48SM has 6144.

Texture mapping units: Arc G3 Extreme has 48, N1X 48SM has 384.

Render output units: Arc G3 Extreme has 24, N1X 48SM has 48.

Ray tracing cores: Arc G3 Extreme has 12, N1X 48SM has 48.

Tensor cores: Arc G3 Extreme has none recorded, N1X 48SM has 192.

Pixel rate: Arc G3 Extreme at 60.00 GPixel/s, N1X 48SM at 112.6 GPixel/s.

Texture rate: Arc G3 Extreme at 120.0 GTexel/s, N1X 48SM at 900.9 GTexel/s.

FP32 throughput: Arc G3 Extreme at 7.680 TFLOPS, N1X 48SM at 28.83 TFLOPS.

FP16 throughput: Arc G3 Extreme at 15.36 TFLOPS (2:1), N1X 48SM at 28.83 TFLOPS (1:1).

TDP: Arc G3 Extreme at 80 W, N1X 48SM unknown.

Bus interface: Arc G3 Extreme uses IGP, N1X 48SM uses PCIe 5.0 x16.

Display outputs: Arc G3 Extreme is portable device dependent, N1X 48SM has 1x HDMI.

API support: Arc G3 Extreme lists DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4. N1X 48SM lists N/A for DirectX, OpenGL, and Vulkan.

Production status: Both Active.

Release date: Both 2026-05-31.

The specification sheet tells a clear story. The NVIDIA N1X 48SM is a far larger GPU in every compute dimension, with a confirmed memory subsystem and a PCIe connection. The Intel Arc G3 Extreme is a smaller, lower-power IGP with a higher boost clock and full modern API support. The choice depends on whether the platform needs confirmed API compatibility and a known 80 W power budget, or maximum raw throughput and dedicated memory bandwidth.