AMD Radeon PRO W7900 vs Intel Arc G3 Extreme Comparison

Where Each One Wins

The recorded data presents an unusual comparison landscape. The AMD Radeon PRO W7900 delivers two complete benchmark results, while the Intel Arc G3 Extreme currently has no recorded benchmark scores in the database. This absence of data for the Intel part shapes the entire analysis.

For compute workloads, the AMD Radeon PRO W7900 shows decisive advantages. Its Geekbench OpenCL score of 84,379 and Geekbench Vulkan score of 137,070 place it in the 94th percentile among all GPUs tracked. The Intel Arc G3 Extreme sits at the 50th percentile, though this figure derives from an average benchmark score of zero, indicating no verified workloads have been submitted. The database records no wins for either product in head-to-head comparisons, and both products show zero wins in their respective categories.

The use-case split follows the architectural divide. The AMD Radeon PRO W7900 targets discrete workstation workloads with dedicated memory and high-throughput compute. The Intel Arc G3 Extreme functions as an integrated graphics processor (IGP) designed for portable devices, with its performance ceiling tied directly to the host system's shared memory configuration. The data shows the AMD part winning every measurable compute category by default, simply because it has recorded results.

Architecture Differences

The two products diverge at almost every architectural level. AMD builds the Radeon PRO W7900 on the Navi 31 chip using RDNA 3.0 architecture with the Plum Bonito codename, fabricated on a 5 nm TSMC process. Intel's Arc G3 Extreme uses the Panther Lake chip with Xe3-LPG architecture, manufactured on Intel's 3 nm process. Both belong to active production lines, but their design philosophies could hardly be more different.

Transistor counts reveal the scale gap. The AMD part integrates 57,700 million transistors on a 529 mm² die, producing a transistor density of 109.1 million transistors per square millimeter. Intel does not disclose transistor count, die size, or density for the Arc G3 Extreme in the database. The AMD GPU's physical footprint spans 280 mm in length, 110 mm in height, and 51 mm in width, occupying a triple-slot form factor. The Intel part has no listed dimensions, consistent with its IGP classification.

Clock behavior differs substantially. The Radeon PRO W7900 runs at a 1760 MHz base clock with a 2495 MHz boost. The Arc G3 Extreme operates at a 300 MHz base and 2500 MHz boost, nearly matching the AMD boost ceiling but starting from a dramatically lower baseline. Memory configurations could not be more distinct: the AMD card carries 48 GB of GDDR6 across a 384-bit bus, delivering 864.0 GB/s of bandwidth. The Intel IGP relies on system shared memory with system-dependent bandwidth, listing no dedicated capacity, type, or bus width.

Shader resources show the expected hierarchy. AMD's 6,144 shading units, 384 texture mapping units, 192 render output units, and 96 ray tracing cores dwarf Intel's 1,536 shading units, 48 TMUs, 24 ROPs, and 12 RT cores. The pixel rate gap is stark: 479.0 GPixel/s against 60.00 GPixel/s. Texture rate similarly favors AMD at 958.1 GTexel/s versus 120.0 GTexel/s.

Compute throughput tells the same story. The Radeon PRO W7900 delivers 61.32 TFLOPS for FP32 and 61.32 TFLOPS for FP16 at a 1:1 ratio. The Arc G3 Extreme produces 7.680 TFLOPS FP32 and 15.36 TFLOPS FP16 at a 2:1 ratio. The AMD GPU's FP16 capability matches its FP32 throughput, while Intel's implementation halves the FP16 rate relative to FP32, indicating different execution strategies.

Power requirements reinforce the positioning. The Radeon PRO W7900 draws 295 W TDP, requires two 8-pin power connectors, and suggests a 600 W power supply. The Arc G3 Extreme lists an 80 W TDP with no power connectors and no suggested PSU, drawing everything from the host platform. The AMD card connects via PCIe 4.0 x16; the Intel part uses an IGP bus interface with no separate connection.

Display outputs also differ. The Radeon PRO W7900 provides three DisplayPort 2.1 and one mini-DisplayPort 2.1. The Arc G3 Extreme's outputs depend entirely on the portable device hosting it. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries for these two products. The AMD Radeon PRO W7900's nearest rivals in the database include the AMD Radeon Pro Vega II with an average score of 109,617 (1% difference), the NVIDIA RTX A5500 Mobile at 113,944 (-2.8% delta), the AMD Radeon Pro W6600X at 107,342 (3.2% delta), and the NVIDIA Tesla V100 SXM2 16 GB at 114,395 (-3.2% delta). The Intel Arc G3 Extreme has no listed nearest rivals.

The Radeon PRO W7900's own benchmark results establish its performance tier. Its Geekbench OpenCL score of 84,379 and Vulkan score of 137,070 combine into an average benchmark score of 110,725. That average places it just 1% above the Radeon Pro Vega II, 3.2% above the Radeon Pro W6600X, and 2.8% below the RTX A5500 Mobile. The closest competitor is the Tesla V100 SXM2 16 GB, which sits 3.2% higher in average score.

For the Intel Arc G3 Extreme, the absence of benchmark data means no comparative analysis is possible. The 50th percentile ranking reflects an average score of zero, which the database treats as the midpoint of all tracked GPUs. This should not be interpreted as a performance estimate; it is a placeholder until workloads are recorded.

The AMD product's Vulkan result notably outpaces its OpenCL result by roughly 62%, suggesting strong performance under Vulkan's explicit control model. The Intel part's compute characteristics remain unmeasured, so no comparable inference can be drawn from the recorded data.

The Verdict

The data supports a straightforward selection for discrete workstation compute: the AMD Radeon PRO W7900. It delivers 61.32 TFLOPS FP32, 48 GB of dedicated GDDR6 memory, 96 ray tracing cores, and a 94th percentile standing among all GPUs. Its recorded Vulkan score of 137,070 indicates robust API-level performance, and its average benchmark score of 110,725 places it within a few percentage points of several professional NVIDIA and AMD alternatives.

The Intel Arc G3 Extreme serves a fundamentally different purpose. As an integrated GPU with 7.680 TFLOPS FP32, 12 ray tracing cores, and an 80 W TDP, it targets portable devices where discrete cards cannot fit. The base clock of 300 MHz suggests aggressive power management, while the 2500 MHz boost allows bursts of higher throughput when thermal headroom permits. Its system-shared memory model means bandwidth scales with the host platform, making direct comparisons to discrete memory subsystems misleading.

Purchasers seeking a workstation card with dedicated memory, high bandwidth, and multi-display output should choose the Radeon PRO W7900. The database records its launch MSRP as 3,999 USD. Its triple-slot cooler, 295 W TDP, and 600 W PSU recommendation indicate a professional-grade installation requirement.

The Arc G3 Extreme suits integrated systems where discrete graphics is impossible. Its 15.36 TFLOPS FP16 output suggests competence in workloads that leverage reduced precision, and its 2:1 FP16-to-FP32 ratio implies hardware acceleration for mixed-precision tasks. No benchmark scores exist to validate real-world performance, so the decision rests on architectural suitability rather than measured results.

For users who demand verified compute performance today, only the AMD product provides data. For portable devices requiring integrated graphics with modern API support, the Intel part offers a current-generation option, though its actual throughput remains unquantified in the database.

FAQ

Q: How much faster is the AMD Radeon PRO W7900 than the Intel Arc G3 Extreme in FP32 compute?

A: The Radeon PRO W7900 delivers 61.32 TFLOPS FP32, while the Arc G3 Extreme produces 7.680 TFLOPS FP32. This represents an approximately 8x difference in raw FP32 throughput, though the Intel part's performance depends on system integration.

Q: What memory configurations do these two products use?

A: The AMD Radeon PRO W7900 uses 48 GB of GDDR6 on a 384-bit bus with 864.0 GB/s bandwidth. The Intel Arc G3 Extreme uses system shared memory with system-dependent bandwidth, listing no dedicated capacity or bus width.

Q: Which product has more ray tracing cores?

A: The AMD Radeon PRO W7900 has 96 ray tracing cores. The Intel Arc G3 Extreme has 12 ray tracing cores, an 8x difference that parallels the shading unit disparity.

Q: What is the average benchmark score for each product?

A: The AMD Radeon PRO W7900 has an average benchmark score of 110,725, placing it in the 94th percentile. The Intel Arc G3 Extreme has an average benchmark score of 0, which places it at the 50th percentile pending recorded workloads.

Q: Do both products support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD product's display outputs are fixed at three DisplayPort 2.1 and one mini-DisplayPort 2.1, while the Intel part's outputs depend on the host device.

Q: How do the power requirements compare?

A: The AMD Radeon PRO W7900 has a 295 W TDP with two 8-pin power connectors and a 600 W suggested PSU. The Intel Arc G3 Extreme has an 80 W TDP, no power connectors, and no suggested PSU because it draws power from the host platform as an IGP.