AMD Instinct MI350X vs Intel Arc G3 Extreme Comparison

Where Each One Wins

The AMD Instinct MI350X and Intel Arc G3 Extreme occupy completely different corners of the GPU landscape, and the recorded data reflects that separation clearly. The MI350X is built for compute density, with 16,384 shading units, 1,024 texture mapping units, and a 8192-bit memory bus feeding 288 GB of HBM3e. Every specification points toward large-scale parallel workloads where memory capacity and bandwidth dominate. The Arc G3 Extreme, by contrast, is a compact integrated graphics solution with 1,536 shading units, 48 TMUs, 24 ROPs, and 12 ray tracing cores, designed to fit inside a portable device as an IGP with system-shared memory.

For raw compute throughput, the MI350X delivers 72.09 TFLOPS FP32 and the same 72.09 TFLOPS FP16 with a 1:1 ratio. That makes it equally strong in single-precision and half-precision math, a trait suited to AI training and scientific simulation where FP16 throughput matters. The Arc G3 Extreme produces 7.680 TFLOPS FP32 and 15.36 TFLOPS FP16 with a 2:1 ratio, meaning it doubles its throughput when switching to half precision. That ratio suggests the Intel part favors workloads that can exploit FP16 acceleration, but the absolute numbers remain far lower.

Memory tells the story even more sharply. The MI350X has 288 GB of HBM3e at 8.19 TB/s bandwidth. The Arc G3 Extreme uses system-shared memory with system-dependent bandwidth, which means its performance scales with the host platform's RAM configuration. No recorded figure can match the MI350X here; the database shows a difference of several orders of magnitude in both capacity and speed.

Power envelopes diverge massively. The MI350X carries a 1000 W TDP with a suggested PSU of 1400 W, while the Arc G3 Extreme draws 80 W TDP and requires no separate power connectors. The MI350X is an OAM Module with no display outputs, while the Arc G3 Extreme is an IGP with portable-device-dependent display outputs. These are not competing products; they are answers to different questions.

Architecture Differences

The MI350X uses the CDNA 4.0 architecture on a 3 nm process from TSMC, with 185,000 million transistors on a 2380 mm² die. That works out to a transistor density of 77.7 million per square millimeter. The chip is designated MI350 256CU, indicating 256 compute units. The Arc G3 Extreme uses Xe3-LPG architecture on a 3 nm process from Intel, with the chip named Panther Lake. Transistor count and die size are recorded as unknown, so no direct density comparison is possible.

Clocking behavior differs substantially. The MI350X has a base clock of 1000 MHz and a boost clock of 2200 MHz. The Arc G3 Extreme starts at 300 MHz base and boosts to 2500 MHz. Despite the higher boost on the Intel part, its shading unit count is roughly one-tenth of the AMD part, so the clock advantage does little to close the compute gap.

Memory architecture is the defining split. The MI350X uses dedicated HBM3e with 288 GB capacity, 8192-bit bus width, and 8.19 TB/s bandwidth. Memory clock is 2000 MHz with 8 Gbps effective. The Arc G3 Extreme relies entirely on system-shared memory, with type, bus width, and bandwidth all marked as system-dependent. That means the Intel GPU's memory performance cannot be assessed in isolation; it depends on the host CPU and motherboard.

Rasterization and API support also differ. The MI350X has 0 ROPs and a pixel rate of 0 MPixel/s, which makes sense for a compute-focused accelerator with no display outputs. Its DirectX, OpenGL, and Vulkan support are all listed as N/A. The Arc G3 Extreme has 24 ROPs, a 60.00 GPixel/s pixel rate, and full API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. It also includes 12 ray tracing cores, which the MI350X does not list at all.

Texture rate shows the scale difference: the MI350X reaches 2,252.8 GTexel/s versus 120.0 GTexel/s on the Arc G3 Extreme. That is roughly 19 times higher, consistent with the TMU count difference of 1024 versus 48.

Head-to-Head Benchmarks

The database records no direct head-to-head benchmark results for these two products. Wins are zero for both sides, and the average benchmark score is zero for each. The percentile versus all GPUs is identical at 50 for both, which reflects the absence of measured performance data rather than parity in real-world capability.

What can be compared is the recorded specification data, which establishes clear margins in every compute-oriented category. The MI350X FP32 throughput of 72.09 TFLOPS is approximately 9.4 times the Arc G3 Extreme's 7.680 TFLOPS. In FP16, the MI350X delivers 72.09 TFLOPS, which is roughly 4.7 times the Arc G3 Extreme's 15.36 TFLOPS. The ratio difference matters: the AMD part maintains 1:1 FP16 to FP32, while the Intel part uses a 2:1 ratio, doubling its FP16 output relative to FP32.

Memory bandwidth is the largest recorded gap. The MI350X offers 8.19 TB/s, while the Arc G3 Extreme's bandwidth is system-dependent and therefore not directly quantifiable from the database. Capacity similarly shows 288 GB dedicated HBM3e versus system-shared memory with no fixed figure.

Texture throughput reinforces the compute divide. The MI350X achieves 2,252.8 GTexel/s versus 120.0 GTexel/s on the Arc G3 Extreme. Pixel rate goes the other way: the MI350X is recorded at 0 MPixel/s because it has no ROPs, while the Arc G3 Extreme reaches 60.00 GPixel/s. This reversal is expected given their different purposes.

Clock behavior shows the Intel part boosting 300 MHz higher (2500 MHz versus 2200 MHz), but that advantage disappears when multiplied across the vastly different shading unit counts. The MI350X has 16,384 shading units versus 1,536 on the Arc G3 Extreme, a factor of roughly 10.7.

FAQ

Q: Which GPU has more shading units?

A: The AMD Instinct MI350X has 16,384 shading units, while the Intel Arc G3 Extreme has 1,536. That is a difference of about 10.7 times in favor of the AMD part.

Q: How does memory capacity compare?

A: The MI350X has 288 GB of dedicated HBM3e memory. The Arc G3 Extreme uses system-shared memory, so its capacity is not fixed and depends on the host system.

Q: Can either GPU do ray tracing?

A: The Intel Arc G3 Extreme includes 12 ray tracing cores and supports DirectX 12 Ultimate. The AMD Instinct MI350X does not list ray tracing cores and has N/A for DirectX, OpenGL, and Vulkan support.

Q: What is the power draw difference?

A: The MI350X has a TDP of 1000 W with a suggested PSU of 1400 W. The Arc G3 Extreme has a TDP of 80 W and lists no separate PSU requirement.

Q: Which GPU is faster in FP16 compute?

A: The MI350X delivers 72.09 TFLOPS FP16 with a 1:1 ratio. The Arc G3 Extreme delivers 15.36 TFLOPS FP16 with a 2:1 ratio. The AMD part is about 4.7 times faster in absolute FP16 throughput.

Q: Do these GPUs support display outputs?

A: The MI350X has no display outputs and is designed as an OAM Module. The Arc G3 Extreme is an IGP with portable-device-dependent display outputs, meaning it relies on the host device's display connectivity.

The Verdict

The data indicates that the AMD Instinct MI350X is a dedicated compute accelerator for server and datacenter workloads. Its 288 GB HBM3e memory, 8.19 TB/s bandwidth, 72.09 TFLOPS FP32, and 2,252.8 GTexel/s texture rate place it firmly in the category of large-scale AI training, scientific computing, and high-performance simulation. The lack of display outputs, ROPs, and graphics API support confirms that it is not intended for rendering or interactive use.

The Intel Arc G3 Extreme is an integrated graphics processor for portable devices. Its 80 W TDP, system-shared memory, and portable-device-dependent display outputs make it suitable for everyday graphics, media playback, and light gaming on integrated systems. The 12 ray tracing cores and DirectX 12 Ultimate support indicate modern feature coverage, but the 7.680 TFLOPS FP32 throughput and 120.0 GTexel/s texture rate place it in a completely different performance class.

Anyone selecting between these two should base the decision on workload type. The MI350X is for compute-heavy tasks that require massive memory capacity and bandwidth, with no need for display output. The Arc G3 Extreme is for mobile or compact systems that need integrated graphics with modern API support and modest power consumption. The database shows no benchmark overlap, no common use case, and no meaningful comparison in performance metrics. They are different tools for different jobs.

Specification Differences

The following fields differ between the AMD Instinct MI350X and the Intel Arc G3 Extreme:

• Manufacturer: AMD versus Intel
• Chip: MI350 256CU versus Panther Lake
• Architecture: CDNA 4.0 versus Xe3-LPG
• Generation: Instinct (MIx) versus Arc Graphics-M (Panther Lake)
• Foundry: TSMC versus Intel
• Transistors: 185,000 million versus unknown
• Die Size: 2380 mm² versus unknown
• Transistor Density: 77.7M / mm² versus null
• Base Clock: 1000 MHz versus 300 MHz
• Boost Clock: 2200 MHz versus 2500 MHz
• Memory Clock: 2000 MHz 8 Gbps effective versus System Shared
• Memory Size: 288 GB versus System Shared
• Memory Type: HBM3e versus System Shared
• Memory Bus Width: 8192 bit versus System Shared
• Memory Bandwidth: 8.19 TB/s versus System Dependent
• Shading Units: 16384 versus 1536
• TMUs: 1024 versus 48
• ROPs: 0 versus 24
• RT Cores: null versus 12
• Pixel Rate: 0 MPixel/s versus 60.00 GPixel/s
• Texture Rate: 2,252.8 GTexel/s versus 120.0 GTexel/s
• FP32: 72.09 TFLOPS versus 7.680 TFLOPS
• FP16: 72.09 TFLOPS (1:1) versus 15.36 TFLOPS (2:1)
• TDP: 1000 W versus 80 W
• Slot Width: OAM Module versus IGP
• Power Connectors: None versus None (same)
• Suggested PSU: 1400 W versus null
• Bus Interface: PCIe 5.0 x16 versus IGP
• Display Outputs: No outputs versus Portable Device Dependent
• DirectX: N/A versus 12 Ultimate (12_2)
• OpenGL: N/A versus 4.6
• Vulkan: N/A versus 1.4
• Dimensions: 102 mm length, 165 mm width versus null dimensions
• Production Status: null versus Active
• Release Date: 2025-06-11 versus 2026-05-31

The two products share only a 3 nm process node, the absence of power connectors, and a percentile versus all GPUs of 50. Everything else in the database separates them categorically.