AMD Ryzen Z2 A GPU vs Intel Arc G3 Comparison

Head-to-Head Benchmarks

The recorded database contains no direct benchmark scores for either the AMD Ryzen Z2 A GPU or the Intel Arc G3. Both entries list an average benchmark score of zero and hold identical percentile rankings at 50% relative to all tracked GPUs. With zero wins recorded for either component, the head-to-head comparison must rely entirely on architectural specifications and calculated throughput metrics rather than measured application performance.

The most significant numerical advantage belongs to the Intel Arc G3 in raw compute throughput. The Arc G3 delivers 6.144 TFLOPS of FP32 performance, which is 3.75 times the 1.638 TFLOPS produced by the Ryzen Z2 A GPU. This difference translates directly to the shading unit count: the Arc G3 carries 1280 shading units versus 512 on the AMD part, a 2.5x ratio. Texture processing follows the same pattern, with the Intel part achieving 96.00 GTexel/s against 51.20 GTexel/s for AMD, a margin of 1.875x. Pixel throughput shows a smaller but still decisive gap: 48.00 GPixel/s for Intel versus 25.60 GPixel/s for AMD, representing an 1.875x advantage as well.

Clock behavior tells a different story. The Intel Arc G3 boosts to 2400 MHz, which is 1.5 times the 1600 MHz boost clock of the AMD Ryzen Z2 A GPU. However, the AMD part starts from a much higher base clock of 1000 MHz compared to 300 MHz on the Arc G3. The Intel chip compensates with a substantially higher boost ceiling, indicating a wider dynamic range in operating frequency. The memory clocks diverge completely: AMD uses a fixed 800 MHz memory clock with 6.4 Gbps effective data rate, while Intel relies on system shared memory with no dedicated memory clock specification.

Half-precision compute amplifies the Intel advantage further. The Arc G3 reaches 12.29 TFLOPS FP16 with a 2:1 ratio, while the Ryzen Z2 A GPU manages 3.277 TFLOPS under the same 2:1 convention. This 3.75x ratio exactly mirrors the FP32 comparison, confirming that the architectural throughput scaling is consistent across precision formats.

The tensor core field remains empty for both components, meaning neither part has dedicated AI acceleration hardware listed in the database. Ray tracing hardware exists on both, with the Intel Arc G3 featuring 10 ray tracing cores against 8 on the AMD Ryzen Z2 A GPU, a modest 1.25x advantage for Intel.

Architecture Differences

The two GPUs come from different manufacturing ecosystems. AMD builds the Ryzen Z2 A GPU on TSMC's 7 nm process node, packing 2,400 million transistors into a 163 mm² die, producing a transistor density of 14.7M per square millimeter. Intel fabricates the Arc G3 on its own 3 nm process node, though the database records no transistor count, die size, or density figures for the Intel part. The 7 nm versus 3 nm process gap suggests Intel holds a lithographic advantage, but without die dimensions, direct density comparison remains impossible.

Architecture generations diverge significantly. AMD uses RDNA 2.0, an established design that powers the Van Gogh chip. Intel employs Xe3-LPG, the third-generation low-power graphics architecture, built for the Panther Lake chip. The AMD part belongs to the Console GPU generation for AMD, while Intel positions the Arc G3 within Arc Graphics-M for Panther Lake. Both are active production parts, with the AMD release date recorded as December 31, 2024, and the Intel release date as May 31, 2026.

Memory architecture presents the starkest structural difference. The AMD Ryzen Z2 A GPU carries 16 GB of dedicated LPDDR5 memory across a 128-bit bus, yielding 102.4 GB/s of bandwidth. The Intel Arc G3 uses system shared memory, with bus width, memory type, and bandwidth all listed as system dependent or shared. This means the Intel part has no dedicated VRAM allocation, instead borrowing from the host system's memory pool, which introduces variable performance based on the host platform's memory configuration.

The power envelope also differs. AMD specifies a 15 W TDP for the Ryzen Z2 A GPU, while Intel lists a 25 W TDP for the Arc G3. This 10 W difference represents a 66.7% higher power draw for the Intel part. The form factor reflects this: the Intel Arc G3 is an integrated graphics processor (IGP) with no power connectors and a bus interface marked as IGP, whereas the AMD part lists a single USB Type-C display output without specifying slot width, power connectors, or bus interface.

Display outputs differ in flexibility. The AMD part provides one USB Type-C output. The Intel Arc G3 lists "Portable Device Dependent" display outputs, indicating the output configuration depends on the host portable device rather than being fixed in the GPU specification.

API support matches exactly between the two. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This parity means software compatibility for modern graphics APIs is identical, leaving performance and feature execution as the differentiators.

Where Each One Wins

The Intel Arc G3 wins decisively in every raw throughput category recorded in the database. Its FP32 compute at 6.144 TFLOPS positions it as a significantly more capable processor for general graphics workloads and compute-heavy tasks. The 1280 shading units provide 2.5x the parallel execution resources of the AMD part, which directly feeds the higher texture rate of 96.00 GTexel/s and pixel rate of 48.00 GPixel/s. The 2400 MHz boost clock enables the Intel part to reach these throughput numbers while maintaining a 25 W TDP, which is higher than the AMD part but still within an integrated graphics envelope.

The AMD Ryzen Z2 A GPU wins in energy efficiency per unit of compute and in memory architecture stability. At 15 W TDP, it consumes 40% less power than the Intel part while delivering one-third of the FP32 throughput (1.638 TFLOPS versus 6.144 TFLOPS). The efficiency ratio works out to 0.109 TFLOPS per watt for AMD versus 0.246 TFLOPS per watt for Intel, meaning Intel actually delivers more compute per watt despite the higher absolute power draw. The AMD part's dedicated 16 GB LPDDR5 memory with 102.4 GB/s bandwidth provides guaranteed memory performance independent of host system configuration, whereas the Intel part's system shared memory can vary based on the host's RAM speed and allocation policies.

For ray tracing workloads, the Intel Arc G3 holds a 10-core versus 8-core advantage. While the database does not include ray tracing benchmark scores, the core count difference suggests the Intel part can sustain more concurrent ray traversal operations. The AMD part's lower base clock of 1000 MHz versus 300 MHz on Intel means the AMD GPU reaches its operational frequency more quickly from idle, potentially reducing latency in short-duration workloads.

In portable device integration, the AMD part's single USB Type-C output offers a straightforward display connection, while the Intel part's display outputs depend entirely on the host portable device. For systems where the GPU must provide a fixed display interface, the AMD approach offers clearer connectivity. The AMD part's 7 nm TSMC process, while older than Intel's 3 nm node, has a recorded transistor density of 14.7M per square millimeter, confirming a mature and well-characterized manufacturing process.

The Intel Arc G3 wins on architectural modernity with Xe3-LPG versus RDNA 2.0. The newer architecture generation, combined with the smaller 3 nm process node, suggests the Intel part benefits from more recent design techniques and manufacturing improvements. However, the database does not include architectural feature comparisons beyond the listed specifications, so this advantage remains qualitative rather than quantified.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The Intel Arc G3 delivers 6.144 TFLOPS of FP32 performance, which is 3.75 times the 1.638 TFLOPS produced by the AMD Ryzen Z2 A GPU.

Q: How do the memory configurations differ?

A: The AMD Ryzen Z2 A GPU uses 16 GB of dedicated LPDDR5 memory on a 128-bit bus with 102.4 GB/s bandwidth. The Intel Arc G3 uses system shared memory with system dependent bandwidth, meaning it relies on the host platform's memory.

Q: What are the power consumption figures for each GPU?

A: The AMD Ryzen Z2 A GPU has a TDP of 15 W, while the Intel Arc G3 has a TDP of 25 W, a 10 W difference.

Q: Do both GPUs support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, providing identical API compatibility.

Q: Which GPU has more ray tracing cores?

A: The Intel Arc G3 has 10 ray tracing cores, compared to 8 on the AMD Ryzen Z2 A GPU, a 1.25x advantage for Intel.

Q: What manufacturing processes are used?

A: AMD uses TSMC's 7 nm process node with 2,400 million transistors on a 163 mm² die. Intel uses its own 3 nm process node, though transistor count and die size are not recorded for the Intel part.

Specification Differences

Process Node: AMD Ryzen Z2 A GPU uses 7 nm from TSMC. Intel Arc G3 uses 3 nm from Intel.

Transistors: AMD records 2,400 million transistors. Intel records no transistor count.

Die Size: AMD records 163 mm². Intel records no die size.

Transistor Density: AMD records 14.7M per mm². Intel records no density figure.

Base Clock: AMD runs at 1000 MHz. Intel runs at 300 MHz.

Boost Clock: AMD boosts to 1600 MHz. Intel boosts to 2400 MHz.

Memory Clock: AMD uses 800 MHz with 6.4 Gbps effective. Intel uses system shared memory with no dedicated clock.

Memory Size: AMD has 16 GB dedicated LPDDR5. Intel uses system shared memory.

Memory Type: AMD uses LPDDR5. Intel uses system shared memory.

Memory Bus Width: AMD uses 128 bit. Intel uses system shared memory.

Memory Bandwidth: AMD provides 102.4 GB/s. Intel bandwidth is system dependent.

Shading Units: AMD has 512. Intel has 1280.

Texture Mapping Units: AMD has 32. Intel has 40.

Raster Output Units: AMD has 16. Intel has 20.

Ray Tracing Cores: AMD has 8. Intel has 10.

Pixel Rate: AMD achieves 25.60 GPixel/s. Intel achieves 48.00 GPixel/s.

Texture Rate: AMD achieves 51.20 GTexel/s. Intel achieves 96.00 GTexel/s.

FP32 Performance: AMD delivers 1.638 TFLOPS. Intel delivers 6.144 TFLOPS.

FP16 Performance: AMD delivers 3.277 TFLOPS (2:1). Intel delivers 12.29 TFLOPS (2:1).

TDP: AMD consumes 15 W. Intel consumes 25 W.

Slot Width: AMD lists none. Intel is an integrated graphics processor (IGP).

Power Connectors: AMD lists none. Intel lists none.

Bus Interface: AMD lists none. Intel uses IGP.

Display Outputs: AMD provides 1x USB Type-C. Intel outputs are portable device dependent.

Chip Designation: AMD uses Van Gogh. Intel uses Panther Lake.

Architecture: AMD uses RDNA 2.0. Intel uses Xe3-LPG.

Generation: AMD belongs to Console GPU (AMD). Intel belongs to Arc Graphics-M (Panther Lake).

Release Date: AMD released December 31, 2024. Intel releases May 31, 2026.

Manufacturer: AMD produces the Ryzen Z2 A GPU. Intel produces the Arc G3.

The specification gap between the two parts is substantial across nearly every measurable category. The Intel Arc G3 holds advantages in process node, clock ceiling, shading resources, texture and pixel throughput, FP32 and FP16 compute, and ray tracing core count. The AMD Ryzen Z2 A GPU counters with dedicated memory, lower power draw, a higher base clock, and an earlier release date. Both parts maintain identical API support and active production status, making the choice between them a matter of workload requirements rather than software compatibility.