Intel Arc G3 vs NVIDIA GeForce RTX 5080 Comparison
Intel Arc G3
GeForce RTX 5080
PERFORMANCE BENCHMARKS
Analysis: Intel Arc G3 vs NVIDIA GeForce RTX 5080
The Verdict
The database places the Intel Arc G3 and NVIDIA GeForce RTX 5080 at opposite ends of the GPU spectrum. The Arc G3 is an integrated graphics processor built for Panther Lake mobile chips, with a 25 W TDP and no standalone memory or power connectors. The RTX 5080 is a dual-slot discrete flagship with a 360 W TDP, 16 GB of GDDR7, and a 999 USD launch MSRP. The recorded data shows exactly one meaningful path: the RTX 5080 is designed for high-resolution gaming and compute workloads, while the Arc G3 serves as a low-power integrated solution for portable devices. Any user requiring dedicated graphics performance should select the RTX 5080 based on its benchmark dominance. The Arc G3 is appropriate only for systems where the CPU's integrated GPU is the intended graphics solution and power draw is the primary constraint.
Architecture Differences
The two processors share the same API support: both expose DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Beyond that, the architectures diverge completely. The Intel Arc G3 uses the Xe3-LPG architecture on a 3 nm process from Intel's own foundry, built on the Panther Lake chip. The NVIDIA GeForce RTX 5080 uses the Blackwell 2.0 architecture on a 5 nm process from TSMC, built on the GB203 chip with 45,600 million transistors on a 378 mm² die, yielding a transistor density of 120.6M per mm².
The RTX 5080 carries dedicated tensor cores (336) and ray tracing cores (84), while the Arc G3 lists 10 ray tracing cores and no tensor core count. The Arc G3's memory subsystem is entirely system-shared, with memory type, bus width, and bandwidth all dependent on the host platform. The RTX 5080 has a fixed 256-bit GDDR7 interface with 960.0 GB/s of bandwidth. The RTX 5080 also includes dedicated display outputs (1x HDMI 2.1b and 3x DisplayPort 2.1b), while the Arc G3's display outputs are portable-device dependent. The Arc G3 uses an IGP bus interface and requires no power connectors; the RTX 5080 uses PCIe 5.0 x16 and requires a single 16-pin connector with a suggested 750 W PSU.
FAQ
Q: Which GPU has the higher FP32 compute throughput?
A: The RTX 5080 delivers 56.28 TFLOPS of FP32 performance, which is over nine times the Arc G3's 6.144 TFLOPS. The RTX 5080 also runs FP16 at the same 56.28 TFLOPS (1:1), while the Arc G3 reaches 12.29 TFLOPS FP16 via a 2:1 ratio.
Q: How much memory does each GPU have?
A: The RTX 5080 has 16 GB of GDDR7 on a 256-bit bus with 960.0 GB/s bandwidth. The Arc G3 has no dedicated memory; its size, type, bus width, and bandwidth are all system-shared and dependent on the host system.
Q: What are the clock speeds?
A: The Arc G3 runs at a 300 MHz base and 2400 MHz boost. The RTX 5080 runs at a 2295 MHz base and 2617 MHz boost, with memory clocked at 1875 MHz (30 Gbps effective).
Q: Which GPU consumes more power?
A: The RTX 5080 has a 360 W TDP and requires a 750 W suggested PSU. The Arc G3 has a 25 W TDP, requires no power connectors, and is an integrated GPU (IGP) with no suggested PSU listed.
Q: Are both GPUs still in production?
A: Yes, both are listed as Active in production status. The Arc G3 has a release date of 2026-05-31, while the RTX 5080 was released on 2025-01-29.
Q: What is the RTX 5080's nearest rival performance gap?
A: The RTX 5080's average benchmark score is 56083. Its closest rival, the AMD Radeon 8060S, scores 55757, a 0.6% delta. The AMD Radeon RX 6750 GRE 12 GB is 0.7% behind at 55698, and the AMD Radeon Pro W5700X is 2.3% behind at 54828. The AMD Radeon RX 9070 GRE leads it by 2.2% with a 57367 score.
Specification Differences
The two GPUs differ in nearly every measured field. The Arc G3 uses a 3 nm Intel process; the RTX 5080 uses a 5 nm TSMC process. The Arc G3's transistor count and die size are unknown; the RTX 5080 has 45,600 million transistors on a 378 mm² die. Shading units: 1280 on the Arc G3 versus 10752 on the RTX 5080. Texture mapping units: 40 versus 336. Raster output units: 20 versus 112. Ray tracing cores: 10 versus 84. Tensor cores: not listed on the Arc G3 versus 336 on the RTX 5080.
Pixel rate: 48.00 GPixel/s on the Arc G3 versus 293.1 GPixel/s on the RTX 5080. Texture rate: 96.00 GTexel/s versus 879.3 GTexel/s. The RTX 5080 has a 304 mm length, 137 mm height, and 40 mm width; the Arc G3 has no listed dimensions. The RTX 5080 is dual-slot; the Arc G3 is an IGP. Power connectors: none on the Arc G3 versus 1x 16-pin on the RTX 5080. The RTX 5080 has a 999 USD launch MSRP; the Arc G3 has no launch MSRP listed.
Head-to-Head Benchmarks
The database contains no direct head-to-head benchmark entries between the Arc G3 and the RTX 5080. The Arc G3 has no benchmark scores recorded, an average benchmark score of 0, and no nearest rivals. Its percentile versus all GPUs is 50. The RTX 5080, by contrast, has ten recorded benchmark scores. In 3DMark Steel Nomad DX12, it scores 8637. In Geekbench OpenCL, it scores 235901, and in Geekbench Vulkan, 255450. Passmark scores include 208 in DirectX 10, 324 in DirectX 11, 151 in DirectX 12, 389 in DirectX 9, 1415 in G2D, 36565 in G3D, and 21789 in GPU Compute. Its average benchmark score is 56083, and its percentile versus all GPUs is 87.
The absence of Arc G3 benchmark data means no comparative percentages can be computed. The RTX 5080's nearest rivals provide context for its positioning: it sits 0.6% ahead of the AMD Radeon 8060S, 0.7% ahead of the AMD Radeon RX 6750 GRE 12 GB, and 2.3% ahead of the AMD Radeon Pro W5700X, while trailing the AMD Radeon RX 9070 GRE by 2.2%. These deltas are small, indicating the RTX 5080 occupies a tightly contested performance band among its nearest competitors.
Where Each One Wins
The RTX 5080 wins every measurable performance category in the database. Its FP32 throughput of 56.28 TFLOPS dwarfs the Arc G3's 6.144 TFLOPS. Its texture rate of 879.3 GTexel/s is over nine times the Arc G3's 96.00 GTexel/s, and its pixel rate of 293.1 GPixel/s is more than six times the Arc G3's 48.00 GPixel/s. The RTX 5080's 960.0 GB/s memory bandwidth is fixed and dedicated, whereas the Arc G3's bandwidth is system dependent. The RTX 5080's 84 ray tracing cores and 336 tensor cores support hardware-accelerated ray tracing and AI workloads; the Arc G3 has 10 ray tracing cores and no listed tensor cores.
The Arc G3 wins exclusively on power and integration. Its 25 W TDP is a fraction of the RTX 5080's 360 W. It requires no power connectors, uses an IGP bus interface, and has no dimensions listed because it is embedded in a Panther Lake processor. For a portable device where the CPU's integrated graphics are the only option, the Arc G3 is the only choice in this comparison, but the data provides no benchmark evidence that it can compete with the RTX 5080 in any graphics workload. The RTX 5080's active production status, 87th percentile ranking, and substantial compute resources confirm it as the sole performance option in this pairing.