Intel Arc G3 vs NVIDIA RTX PRO 4500 Blackwell Workstation Comparison

Intel Arc G3 is an integrated graphics processor built on the Xe3-LPG architecture, using the Panther Lake chip on a 3 nm process node from Intel's own foundry. NVIDIA RTX PRO 4500 Blackwell Workstation is a discrete, dual-slot card using the GB203 chip, built on the Blackwell 2.0 architecture, manufactured by TSMC on a 5 nm process. The two products occupy very different positions in the graphics market, with the Arc G3 designed for portable devices and the RTX PRO 4500 aimed at workstation workloads. The database records no direct head-to-head benchmark results between these two parts, so the analysis below draws on their recorded specifications, architecture details, and relative performance percentiles.

FAQ

Q: What are the architectural generations of these two GPUs?

A: Intel Arc G3 belongs to the Arc Graphics-M (Panther Lake) generation and uses the Xe3-LPG architecture. NVIDIA RTX PRO 4500 Blackwell Workstation belongs to the Blackwell PRO W (x000) generation and uses the Blackwell 2.0 architecture.

Q: How do the process nodes and foundries compare?

A: Intel Arc G3 is fabricated by Intel on a 3 nm process. NVIDIA RTX PRO 4500 Blackwell Workstation is fabricated by TSMC on a 5 nm process.

Q: What are the memory configurations?

A: Intel Arc G3 uses system shared memory, with a system dependent bandwidth. NVIDIA RTX PRO 4500 Blackwell Workstation has 32 GB of GDDR7 memory on a 256 bit bus, delivering 896.0 GB/s of bandwidth.

Q: Which GPU has a higher FP32 compute throughput?

A: NVIDIA RTX PRO 4500 Blackwell Workstation records 50.53 TFLOPS FP32, while Intel Arc G3 records 6.144 TFLOPS FP32. The NVIDIA part is approximately 8.2 times higher in this metric.

Q: What are the power requirements?

A: Intel Arc G3 has a TDP of 25 W and uses no power connectors, as it is an integrated graphics processor. NVIDIA RTX PRO 4500 Blackwell Workstation has a TDP of 200 W and uses a single 16-pin connector, with a suggested PSU of 550 W.

Q: What is the physical form factor of each?

A: Intel Arc G3 is an IGP with a slot width of "IGP" and no dimensions recorded. NVIDIA RTX PRO 4500 Blackwell Workstation is a dual-slot card measuring 267 mm in length, 111 mm in height, and 40 mm in width.

The Verdict

The data indicates that these two GPUs serve distinct purposes with no overlap in target usage. Intel Arc G3 is an integrated solution with 25 W TDP, designed for portable devices where power and space are constrained. Its performance percentile versus all GPUs is 50, and its average benchmark score is 0 in the database, meaning it has no recorded benchmark results to compare against. NVIDIA RTX PRO 4500 Blackwell Workstation also has a percentile versus all GPUs of 50 and an average benchmark score of 0, so both parts lack recorded benchmark data.

Given the recorded specifications, the NVIDIA RTX PRO 4500 Blackwell Workstation is the appropriate choice for workstation workloads requiring high compute throughput, large dedicated memory, and extensive rendering capabilities. Its FP32 performance of 50.53 TFLOPS, 32 GB GDDR7 memory, and 896.0 GB/s bandwidth position it for demanding professional tasks. The Intel Arc G3, with its 6.144 TFLOPS FP32, system shared memory, and integrated form factor, is suited for portable devices where a discrete GPU is not feasible. The data does not support any recommendation that the Arc G3 could substitute for the RTX PRO 4500 in workstation scenarios, nor that the RTX PRO 4500 would be appropriate for the power-constrained mobile use case of the Arc G3. The choice depends entirely on the system type and workload requirements, as the two parts differ by orders of magnitude in nearly every compute and memory metric.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between these two GPUs. The winsA and winsB fields both record 0, and the headToHeadBenchmarks array is empty. Consequently, no direct performance comparisons can be made from measured benchmark data.

However, the recorded specification data provides a basis for comparison across several compute metrics. In FP32 throughput, NVIDIA RTX PRO 4500 Blackwell Workstation records 50.53 TFLOPS versus 6.144 TFLOPS for Intel Arc G3. This represents an approximate 8.2 times advantage for the NVIDIA part. FP16 performance shows a narrower relative gap: NVIDIA RTX PRO 4500 records 50.53 TFLOPS at a 1:1 ratio, while Intel Arc G3 records 12.29 TFLOPS at a 2:1 ratio. The NVIDIA part is roughly 4.1 times higher in FP16.

Pixel and texture rates follow a similar pattern. NVIDIA RTX PRO 4500 Blackwell Workstation achieves 269.6 GPixel/s versus 48.00 GPixel/s for Intel Arc G3, a factor of approximately 5.6 times. Texture rate for NVIDIA is 789.5 GTexel/s against 96.00 GTexel/s for Intel, a factor of approximately 8.2 times. These differences align with the respective shading unit counts: 10496 for NVIDIA versus 1280 for Intel, which is an 8.2 times difference. The TMU counts are 328 versus 40, also an 8.2 times difference, while ROP counts are 112 versus 20, a 5.6 times difference.

Memory bandwidth is another area of significant divergence. NVIDIA RTX PRO 4500 Blackwell Workstation provides 896.0 GB/s from its 32 GB GDDR7 memory on a 256 bit bus. Intel Arc G3 uses system shared memory with bandwidth recorded as system dependent, meaning no fixed bandwidth figure is available for comparison. The memory clock for NVIDIA is 1750 MHz, operating at 28 Gbps effective, while Intel Arc G3's memory clock is recorded as "System Shared" with no specific frequency.

Clock speeds show NVIDIA RTX PRO 4500 operates at a base of 1635 MHz and boost of 2407 MHz, while Intel Arc G3 runs at a base of 300 MHz and boost of 2400 MHz. The boost clocks are nearly identical, but the base clock differs substantially, with NVIDIA running over five times higher. This likely reflects the different power budgets: 200 W for NVIDIA versus 25 W for Intel.

The RT core counts also differ: NVIDIA RTX PRO 4500 has 82 RT cores, while Intel Arc G3 has 10 RT cores. Tensor core counts are not recorded for Intel Arc G3 (null), while NVIDIA RTX PRO 4500 has 328 tensor cores. This indicates the NVIDIA part is equipped for AI and tensor workloads, while the Intel part's tensor capabilities are unspecified in the database.

Specification Differences

The two GPUs differ across nearly every recorded specification field. Process node: Intel Arc G3 uses 3 nm from Intel, NVIDIA RTX PRO 4500 uses 5 nm from TSMC. Transistor count is recorded as unknown for Intel Arc G3, while NVIDIA RTX PRO 4500 has 45,600 million transistors on a 378 mm² die, giving a transistor density of 120.6M per mm². Die size is unknown for Intel.

Clock speeds differ in base frequency: 300 MHz for Intel versus 1635 MHz for NVIDIA. Boost frequencies are close at 2400 MHz versus 2407 MHz. Memory clock is "System Shared" for Intel versus 1750 MHz (28 Gbps effective) for NVIDIA.

Memory configuration is fundamentally different: Intel uses system shared memory with system dependent bandwidth, while NVIDIA has 32 GB of GDDR7 on a 256 bit bus with 896.0 GB/s bandwidth. Shading units: 1280 for Intel versus 10496 for NVIDIA. TMUs: 40 versus 328. ROPs: 20 versus 112. RT cores: 10 versus 82. Tensor cores: null for Intel versus 328 for NVIDIA.

Pixel rate: 48.00 GPixel/s for Intel versus 269.6 GPixel/s for NVIDIA. Texture rate: 96.00 GTexel/s versus 789.5 GTexel/s. FP32: 6.144 TFLOPS versus 50.53 TFLOPS. FP16: 12.29 TFLOPS (2:1) versus 50.53 TFLOPS (1:1).

TDP: 25 W for Intel versus 200 W for NVIDIA. Slot width: IGP versus dual-slot. Power connectors: none for Intel versus 1x 16-pin for NVIDIA. Suggested PSU is not recorded for Intel, while NVIDIA lists 550 W. Bus interface: IGP for Intel versus PCIe 5.0 x16 for NVIDIA. Display outputs: portable device dependent for Intel versus 4x DisplayPort 2.1b for NVIDIA.

Dimensions are not recorded for Intel Arc G3, while NVIDIA RTX PRO 4500 measures 267 mm in length, 111 mm in height, and 40 mm in width. Release dates differ: Intel Arc G3 is dated 2026-05-31, NVIDIA RTX PRO 4500 is dated 2025-03-17. Production status is active for both. The predecessor field is null for Intel, while NVIDIA lists Workstation Ada as its predecessor. Launch MSRP is null for both parts.

Architecture Differences

Intel Arc G3 uses the Xe3-LPG architecture, which is part of the Arc Graphics-M (Panther Lake) generation. The chip is Panther Lake, fabricated on a 3 nm process by Intel. The architecture is designed for integrated graphics in portable devices, evidenced by the IGP slot width, no power connectors, and portable device dependent display outputs. The FP16 rate is recorded at a 2:1 ratio relative to FP32, indicating half-rate FP16 execution. Tensor cores are not recorded for this architecture.

NVIDIA RTX PRO 4500 Blackwell Workstation uses the Blackwell 2.0 architecture, part of the Blackwell PRO W (x000) generation. The chip is GB203, fabricated on a 5 nm process by TSMC. The architecture supports FP16 at a 1:1 ratio with FP32, meaning full-rate FP16 execution. It includes 328 tensor cores, which are not present in the Intel architecture's recorded specifications. The predecessor is Workstation Ada, indicating a direct lineage from the prior workstation generation.

The RT core counts reveal architectural differences in ray tracing capability: Intel Arc G3 has 10 RT cores, while NVIDIA RTX PRO 4500 has 82 RT cores. The TMU to shading unit ratio is identical for both parts at 40 TMUs per 1280 shading units (1:32) for Intel, and 328 TMUs per 10496 shading units (also 1:32) for NVIDIA. The ROP to shading unit ratio differs: Intel has 20 ROPs per 1280 shading units (1:64), while NVIDIA has 112 ROPs per 10496 shading units (1:93.7), indicating a relatively higher ROP count on the NVIDIA architecture.

Both architectures support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The API support is identical across the two parts. The memory architecture differs fundamentally: Intel uses system shared memory, meaning the GPU draws from the host system's memory pool, while NVIDIA uses dedicated GDDR7 memory with a fixed bandwidth of 896.0 GB/s. The NVIDIA architecture also specifies a 256 bit memory bus, while Intel's bus width is recorded as system shared.

The power architecture reflects the different design goals: Intel Arc G3 operates at 25 W with no external power connector, suitable for integration into a processor package. NVIDIA RTX PRO 4500 operates at 200 W with a 1x 16-pin connector and a suggested 550 W PSU, requiring a dedicated power delivery system. The NVIDIA part's base clock of 1635 MHz is over five times higher than Intel's 300 MHz base clock, though boost clocks are nearly equivalent at 2407 MHz versus 2400 MHz.

The process node difference (3 nm Intel versus 5 nm TSMC) and transistor count (unknown versus 45,600 million) suggest different design scales. The NVIDIA die size of 378 mm² with a density of 120.6M transistors per mm² indicates a large, dense chip. Intel's transistor count and die size are unknown, but the 25 W TDP and integrated form factor imply a much smaller implementation. The release date difference places NVIDIA RTX PRO 4500 over a year earlier than Intel Arc G3, with the former releasing in 2025 and the latter in 2026.