AMD Radeon RX 7800M vs Intel Arc G3 Extreme Comparison

Head-to-Head Benchmarks

The database currently holds no head-to-head benchmark entries for the AMD Radeon RX 7800M versus the Intel Arc G3 Extreme. Direct comparison scores are unavailable, so the analysis relies on each GPU's standalone measurements and architectural specifications.

The AMD Radeon RX 7800M posts an average benchmark score of 27,883 across its recorded tests. That places it in the 73rd percentile of all GPUs in the database. Its nearest rivals by average score are the AMD Radeon Pro Vega 20 at 27,839 (a 0.2% delta), the AMD Radeon Pro W5500X at 27,973 (0.3% ahead of the RX 7800M), the NVIDIA GeForce GTX 980 Ti at 28,020 (0.5% ahead), and the AMD FirePro S7150 at 28,117 (0.8% ahead). The RX 7800M sits within a tight cluster, trailing the FirePro S7150 by less than one percent.

The Intel Arc G3 Extreme has no recorded benchmark scores in the database. Its average benchmark score is listed as zero, and its percentile versus all GPUs is 50. There are no nearest rivals listed for this part. Consequently, no quantitative performance delta can be established between the two GPUs.

The RX 7800M's individual benchmark results show its strongest showing in Geekbench Vulkan at 126,668 points, with Geekbench OpenCL close behind at 120,778. In 3DMark Steel Nomad DX12, it records 2,994 points. PassMark results include a G3D score of 17,613, a GPU compute score of 9,342, a G2D score of 892, DirectX 11 at 176, DirectX 9 at 174, DirectX 10 at 99, and DirectX 12 at 89. These figures establish a capable mobile discrete GPU, but with no Intel counterpart scores, the head-to-head picture remains incomplete.

Architecture Differences

The AMD Radeon RX 7800M uses the Navi 32 chip built on RDNA 3.0 architecture, with the codename Wheat Nas. It belongs to the Navi Mobile generation within the Radeon RX 7000 series. The chip is manufactured on a 5 nm process at TSMC, with 28,100 million transistors on a 346 mm² die, yielding a transistor density of 81.2 million per mm².

The Intel Arc G3 Extreme uses the Panther Lake chip with Xe3-LPG architecture, part of the Arc Graphics-M generation for Panther Lake. Intel fabricates this chip on a 3 nm process at its own foundry. Transistor count and die size are listed as unknown, and no transistor density is provided.

Shading unit counts differ substantially. The RX 7800M carries 3,840 shading units, 240 texture mapping units, and 96 ROPs. The Arc G3 Extreme has 1,536 shading units, 48 TMUs, and 24 ROPs. Ray tracing hardware also diverges: the AMD part includes 60 RT cores, while the Intel part has 12.

Clock behavior separates the two designs. The RX 7800M runs a base clock of 1295 MHz, a game clock of 2145 MHz, and a boost clock of 2335 MHz. The Arc G3 Extreme has a much lower base clock of 300 MHz but a higher boost clock of 2500 MHz. No game clock is listed for the Intel part.

Memory architecture is a fundamental differentiator. The RX 7800M uses 12 GB of GDDR6 on a 192-bit bus, with memory clocked at 2250 MHz (18 Gbps effective) for 432.0 GB/s of bandwidth. The Arc G3 Extreme uses system shared memory, with shared type, shared bus width, and system-dependent bandwidth. Its memory clock is also system shared.

Compute throughput also differs. The RX 7800M achieves 35.87 TFLOPS FP32 and 35.87 TFLOPS FP16 at a 1:1 ratio. The Arc G3 Extreme delivers 7.680 TFLOPS FP32 and 15.36 TFLOPS FP16 at a 2:1 ratio. Pixel and texture rates follow the same pattern: the RX 7800M hits 224.2 GPixel/s and 560.4 GTexel/s, while the Arc G3 Extreme reaches 60.00 GPixel/s and 120.0 GTexel/s.

Power targets diverge sharply. The RX 7800M has a TDP of 180 W, while the Arc G3 Extreme is rated at 80 W. Both are integrated into portable devices with no dedicated power connectors, and both use an IGP slot width. The RX 7800M connects via PCIe 4.0 x16, whereas the Arc G3 Extreme uses an IGP bus interface.

API support is identical on paper. Both parts support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs are portable device dependent for both.

Where Each One Wins

The AMD Radeon RX 7800M wins on raw compute throughput. Its FP32 figure of 35.87 TFLOPS is roughly 4.7 times the Arc G3 Extreme's 7.680 TFLOPS. Texture rate favors AMD by a wide margin: 560.4 GTexel/s versus 120.0 GTexel/s, a difference of about 4.7 times. Pixel rate likewise favors AMD at 224.2 GPixel/s versus 60.00 GPixel/s, approximately 3.7 times higher.

Memory bandwidth gives the RX 7800M a decisive advantage in bandwidth-bound workloads. The dedicated 432.0 GB/s GDDR6 connection stands against the Arc G3 Extreme's system-shared memory with system-dependent bandwidth. For games and applications that scale with memory throughput, the AMD part has a structural edge.

The RX 7800M also holds advantages in shading resources. It has 2.5 times the shading units, 5 times the TMUs, and 4 times the ROPs of the Arc G3 Extreme. Its 60 RT cores versus 12 suggest stronger ray tracing throughput, assuming per-core efficiency is comparable, though no direct RT benchmark data exists in the database.

The Intel Arc G3 Extreme wins on power efficiency and physical footprint. At 80 W TDP, it draws less than half the power of the RX 7800M at 180 W. Both are IGP-class parts in portable devices, but the Intel chip's lower power envelope makes it suitable for thinner, lighter systems with less cooling capacity. Its 3 nm process node is more advanced than the RX 7800M's 5 nm node, which supports the lower power draw.

The Arc G3 Extreme also has a higher boost clock at 2500 MHz versus the RX 7800M's 2335 MHz. In short, bursty single-threaded GPU tasks that hit boost frequencies could favor Intel, although the RX 7800M's much larger compute fabric would likely dominate sustained workloads.

The RX 7800M has a release date of September 10, 2024, and is listed as active in production. The Arc G3 Extreme has a release date of May 31, 2026, also active. The AMD part has a predecessor listed as Polaris Mobile; the Intel part has no predecessor listed.

FAQ

Q: Which GPU has more raw compute power?

A: The AMD Radeon RX 7800M delivers 35.87 TFLOPS FP32, while the Intel Arc G3 Extreme delivers 7.680 TFLOPS FP32. The RX 7800M is roughly 4.7 times higher in FP32 throughput.

Q: How do their memory systems compare?

A: The RX 7800M uses 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth. The Arc G3 Extreme uses system shared memory with system-dependent bandwidth, so its memory performance depends on the host platform.

Q: Which part has better ray tracing hardware?

A: The RX 7800M has 60 RT cores, while the Arc G3 Extreme has 12 RT cores. The database lists no direct ray tracing benchmark results for either part.

Q: What are the power requirements?

A: The RX 7800M has a TDP of 180 W. The Arc G3 Extreme has a TDP of 80 W. Both are IGP parts with no dedicated power connectors.

Q: What process nodes are used?

A: The RX 7800M is built on TSMC's 5 nm process. The Arc G3 Extreme is built on Intel's 3 nm process, a smaller node that supports its lower power envelope.

Q: Are there any direct benchmark comparisons available?

A: No. The database contains no head-to-head benchmark entries for these two GPUs, and the Intel Arc G3 Extreme currently has no standalone benchmark scores recorded.

The Verdict

The database shows the AMD Radeon RX 7800M as a high-throughput mobile discrete GPU. Its average benchmark score of 27,883 and 73rd percentile placement confirm it operates in a different performance class than the Intel Arc G3 Extreme, which has no recorded scores and sits at the 50th percentile by default.

The RX 7800M is the choice for workloads that demand maximum compute, texture, and pixel throughput. Its 432.0 GB/s dedicated memory bandwidth, 35.87 TFLOPS FP32, and 560.4 GTexel/s texture rate place it far ahead of the Arc G3 Extreme's system-shared memory and 7.680 TFLOPS FP32. Users running demanding 3D applications, high-resolution gaming, or GPU compute tasks would favor the AMD part.

The Intel Arc G3 Extreme suits systems where power is the limiting factor. At 80 W TDP, it consumes less than half the power of the RX 7800M. Its 3 nm process and 2500 MHz boost clock indicate a design optimized for efficiency and compact portable devices. The Arc G3 Extreme would be the sensible pick for thin-and-light laptops where thermal headroom is minimal and sustained peak GPU load is rare.

The RX 7800M's 180 W TDP and PCIe 4.0 x16 interface point to a larger, more capable mobile platform. The Arc G3 Extreme's IGP bus interface and shared memory architecture indicate it is integrated into the processor package rather than a separate discrete solution.

Without head-to-head benchmarks, the verdict rests on architectural and standalone data. The AMD part dominates in every measured compute and memory category. The Intel part dominates in power efficiency and process technology. Buyers seeking maximum GPU performance in a mobile device should select the RX 7800M. Buyers prioritizing low power draw and integrated simplicity should select the Arc G3 Extreme. Neither part has a launch MSRP listed in the database, so price comparisons are not available.