Intel Arc A310E vs Intel Arc G3 Comparison

The Verdict

The recorded data presents two fundamentally different Intel graphics products. The Arc A310E is a discrete, end-of-life Alchemist-generation GPU built for embedded systems, while the Arc G3 is an active, integrated graphics processor (IGP) designed for Panther Lake mobile platforms. The Arc G3 holds clear architectural and theoretical performance advantages across nearly every measurable metric, including a 2x higher FP32 throughput, more shading units, and a much higher boost clock. However, the Arc A310E counters with dedicated GDDR6 memory, a fixed 124.0 GB/s bandwidth, and a 75 W TDP that allows it to operate as a standalone card. The data indicates that the Arc G3 is the superior choice for any workload where raw compute throughput is the primary requirement, while the Arc A310E is the only option for systems requiring a discrete, slot-mounted GPU with its own dedicated video memory. The Arc G3 also benefits from being actively produced, while the A310E is end-of-life, making the G3 the more future-proof option from a procurement standpoint.

Where Each One Wins

The Arc G3 wins decisively in raw compute-oriented tasks. Its FP32 performance is recorded at 6.144 TFLOPS, exactly double the 3.072 TFLOPS of the Arc A310E. This advantage extends to texture and pixel processing: the G3 delivers 96.00 GTexel/s versus 64.00 GTexel/s, and 48.00 GPixel/s versus 32.00 GPixel/s. The G3 also has a higher boost clock of 2400 MHz compared to the A310E’s 2000 MHz, and it packs more execution resources across the board: 1280 shading units versus 768, 40 TMUs versus 32, 20 ROPs versus 16, and 10 RT cores versus 6. For FP16 workloads, the G3 reaches 12.29 TFLOPS, while the A310E is limited to 6.144 TFLOPS, again a precise 2:1 ratio. The G3’s active production status and 25 W TDP make it suitable for power-constrained, portable devices, whereas the A310E’s 75 W TDP and single-slot form factor indicate it is designed for embedded or compact discrete installations.

The Arc A310E wins in memory architecture. It uses 4 GB of dedicated GDDR6 memory on a 64-bit bus, providing 124.0 GB/s of fixed bandwidth. The Arc G3, by contrast, relies on System Shared memory, with its bandwidth listed as System Dependent. This means the A310E has a predictable, isolated memory pool that does not compete with the CPU for bandwidth. The A310E also has a defined physical footprint: 168 mm in length, 69 mm in height, and 20 mm in width, with four mini-DisplayPort 2.0 outputs. The G3 has no listed dimensions or display outputs, as it is an IGP whose output capabilities are Portable Device Dependent. For systems requiring a specific, standalone video output configuration, the A310E is the only viable option from the data.

Architecture Differences

The two GPUs come from entirely different generations and process technologies. The Arc A310E uses the DG2-128 chip, built on the Xe-HPG architecture, and belongs to the Alchemist (Arc 3) generation. It is fabricated on a 6 nm process at TSMC, with 7,200 million transistors on a 157 mm² die, yielding a transistor density of 45.9M per mm². Its base and boost clocks are both locked at 2000 MHz. The memory clock is 1937 MHz, translating to 15.5 Gbps effective. It supports PCIe 4.0 x8 as its bus interface.

The Arc G3 uses the Panther Lake chip, built on the Xe3-LPG architecture, and belongs to the Arc Graphics-M (Panther Lake) generation. It is fabricated on a 3 nm process at Intel’s own foundry. Transistor count and die size are recorded as unknown, and transistor density is not provided. The base clock is very low at 300 MHz, but the boost clock reaches 2400 MHz, which is 400 MHz higher than the A310E’s peak. The G3 uses System Shared memory for both capacity and bus width, with bandwidth dependent on the host system.

Both GPUs support the same API levels: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Neither has tensor cores listed. The A310E has a predecessor of Xe Graphics and a successor of Battlemage, while the G3 has no predecessor or successor recorded. The A310E is end-of-life with a release date of 2024-03-31, while the G3 is active with a release date of 2026-05-31. The A310E has a suggested PSU of 250 W and uses no power connectors, whereas the G3 has no suggested PSU and uses none. The A310E is a single-slot card, while the G3 is an IGP.

FAQ

Q: Which GPU has higher raw computational throughput?

A: The Arc G3 delivers 6.144 TFLOPS FP32 and 12.29 TFLOPS FP16, exactly double the 3.072 TFLOPS FP32 and 6.144 TFLOPS FP16 of the Arc A310E.

Q: How do the memory systems compare?

A: The Arc A310E uses 4 GB of dedicated GDDR6 on a 64-bit bus with 124.0 GB/s fixed bandwidth. The Arc G3 uses System Shared memory with System Dependent bandwidth, meaning it shares the host’s memory pool.

Q: Are both GPUs from the same architecture generation?

A: No. The Arc A310E uses the Xe-HPG architecture on a 6 nm TSMC process, while the Arc G3 uses the Xe3-LPG architecture on a 3 nm Intel process.

Q: What are the power requirements?

A: The Arc A310E has a 75 W TDP and a suggested PSU of 250 W. The Arc G3 has a 25 W TDP, and no suggested PSU is listed.

Q: Which GPU has more execution resources?

A: The Arc G3 has 1280 shading units, 40 TMUs, 20 ROPs, and 10 RT cores. The Arc A310E has 768 shading units, 32 TMUs, 16 ROPs, and 6 RT cores.

Q: What is the production status of each?

A: The Arc A310E is end-of-life, while the Arc G3 is active.

Head-to-Head Benchmarks

Though the head-to-head benchmark array is empty, the recorded specifications allow for a direct theoretical comparison. The most significant delta is in FP32 performance. The Arc G3’s 6.144 TFLOPS is a 100% increase over the A310E’s 3.072 TFLOPS. This is consistent with the G3 having 1280 shading units versus 768, a 66.7% increase in shader count, combined with a 2400 MHz boost clock versus 2000 MHz, a 20% higher peak frequency. The FP16 comparison shows the same 2:1 ratio: 12.29 TFLOPS versus 6.144 TFLOPS.

In texture and pixel throughput, the G3 again leads by a wide margin. The G3’s 96.00 GTexel/s is 50% higher than the A310E’s 64.00 GTexel/s, driven by 40 TMUs versus 32. The pixel rate of 48.00 GPixel/s versus 32.00 GPixel/s represents a 50% advantage, consistent with 20 ROPs versus 16. Ray tracing resources also favor the G3, which has 10 RT cores versus 6, a 66.7% increase.

The A310E’s only clear wins are in memory and physical integration. Its 124.0 GB/s of dedicated bandwidth is a fixed, guaranteed figure, while the G3’s bandwidth is System Dependent and cannot be quantified from the data. The A310E also has a discrete form factor with four mini-DisplayPort 2.0 outputs, whereas the G3’s outputs are Portable Device Dependent. The A310E’s 7,200 million transistors on a 157 mm² die are recorded, while the G3’s transistor count and die size are unknown, preventing a density comparison.

The process node difference is stark: 6 nm TSMC for the A310E versus 3 nm Intel for the G3. This explains the G3’s ability to achieve higher clocks and double the FP32 throughput within a 25 W TDP, versus the A310E’s 75 W TDP. The G3’s base clock of 300 MHz versus 2000 MHz for the A310E indicates that the G3 is designed to idle extremely low and boost aggressively, while the A310E runs at a constant 2000 MHz. The bus interface also differs: the A310E uses PCIe 4.0 x8, while the G3 is an IGP with no external bus.

Both GPUs share identical API support, including DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Neither has tensor cores. The release dates are separated by roughly two years, with the A310E launching in 2024 and the G3 in 2026. The A310E is end-of-life, while the G3 is active. The A310E has a successor listed as Battlemage, while the G3 has none. The data shows that for any metric involving compute, shading, texturing, or ray tracing, the Arc G3 is the superior part. For any metric involving dedicated memory bandwidth or discrete display output, the Arc A310E is the only part that qualifies.