AMD Ryzen Z2 A GPU vs Intel Arc B770 Comparison

Head-to-Head Benchmarks

The recorded database contains no benchmark scores for either the AMD Ryzen Z2 A GPU or the Intel Arc B770. Both entries show zero recorded benchmark results, and the head-to-head benchmark array is empty. Consequently, there are no measured wins for either product, no percentile deltas, and no comparative performance scores to analyze.

The absence of benchmark data means the two products cannot be ranked against each other using measured performance. Both GPUs sit at the 50th percentile in the database's overall GPU distribution, but this percentile is derived from an average benchmark score of zero for both, indicating they have not yet been tested in the database environment. The wins counter shows zero for both items as well.

What can be stated definitively is that the Intel Arc B770 carries a substantially larger compute configuration on paper. The Arc B770 records 19.66 TFLOPS of FP32 throughput, while the Ryzen Z2 A GPU records 1.638 TFLOPS. That is a 12x difference in raw floating-point output. The pixel rate for the Arc B770 is 307.20 GPixel/s versus 25.60 GPixel/s for the AMD part, again a 12x gap. Texture rate shows 614.40 GTexel/s for Intel versus 51.20 GTexel/s for AMD.

The memory bandwidth differential is also pronounced. The Arc B770 reaches 512.0 GB/s over a 256-bit GDDR6 interface, while the Ryzen Z2 A GPU manages 102.4 GB/s over a 128-bit LPDDR5 bus. That is a 5x bandwidth advantage. These are paper specifications, not measured results, but they establish the Intel part as designed for far heavier workloads.

Architecture Differences

The two GPUs come from different architectural generations and design philosophies. The AMD Ryzen Z2 A GPU uses the Van Gogh chip based on RDNA 2.0, and is classified in the database as a Console GPU (AMD). It is built on a 7 nm process at TSMC, with a die size of 163 mm² and 2,400 million transistors. The transistor density calculates to 14.7M per mm².

The Intel Arc B770 uses the BMG-G31 chip based on Xe2-HPG, and is classified as Battlemage (Arc 7). It is built on a 5 nm process at TSMC, with a die size of 368 mm². The transistor count for the Intel chip is listed as unknown, so no transistor density figure is available.

The AMD part has 512 shading units, 32 texture mapping units, 16 ROPs, and 8 ray tracing cores. The Intel part has 4,096 shading units, 256 TMUs, 128 ROPs, and 32 ray tracing cores. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so the API feature set is identical.

Clock behavior differs significantly. The Ryzen Z2 A GPU runs at a 1000 MHz base and 1600 MHz boost, with memory clocked at 800 MHz for 6.4 Gbps effective. The Arc B770 runs at a 2100 MHz base and 2400 MHz boost, with memory at 2000 MHz for 16 Gbps effective. The Intel part also lists a dual-slot form factor, power connectors requiring 1x 6-pin plus 1x 8-pin, a suggested PSU of 550 W, and a PCIe 4.0 x16 bus interface. The AMD part lists none of these, suggesting an integrated or low-power design.

The display outputs differ as well. The AMD Ryzen Z2 A GPU has a single USB Type-C output. The Intel Arc B770 has 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs.

The TDP values are far apart: the AMD part draws 15 W, while the Intel part draws 225 W. This 15x difference in power envelope explains the substantial differences in compute resources and memory bandwidth.

The release dates are different by one year. The AMD part is dated 2024-12-31, while the Intel part is dated 2025-12-31. The Intel part lists its predecessor as Alchemist, while the AMD part has no predecessor or successor recorded.

FAQ

Q: Which GPU has more shading units?

A: The Intel Arc B770 has 4,096 shading units, while the AMD Ryzen Z2 A GPU has 512 shading units.

Q: What memory types do these GPUs use?

A: The AMD Ryzen Z2 A GPU uses 16 GB of LPDDR5 on a 128-bit bus. The Intel Arc B770 uses 16 GB of GDDR6 on a 256-bit bus.

Q: How do the power requirements compare?

A: The AMD part has a TDP of 15 W. The Intel part has a TDP of 225 W and requires a 550 W suggested power supply.

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.

Q: What is the difference in memory bandwidth?

A: The Intel Arc B770 provides 512.0 GB/s of bandwidth, while the AMD Ryzen Z2 A GPU provides 102.4 GB/s.

Q: What process nodes are used?

A: The AMD Ryzen Z2 A GPU is on a 7 nm TSMC process. The Intel Arc B770 is on a 5 nm TSMC process.

Specification Differences

The recorded data shows the following differences between the two products:

| Specification | AMD Ryzen Z2 A GPU | Intel Arc B770 |

|---|---|---|

| Architecture | RDNA 2.0 | Xe2-HPG |

| Chip | Van Gogh | BMG-G31 |

| Generation | Console GPU (AMD) | Battlemage (Arc 7) |

| Process Node | 7 nm | 5 nm |

| Die Size | 163 mm² | 368 mm² |

| Transistors | 2,400 million | unknown |

| Transistor Density | 14.7M / mm² | null |

| Base Clock | 1000 MHz | 2100 MHz |

| Boost Clock | 1600 MHz | 2400 MHz |

| Memory Clock | 800 MHz, 6.4 Gbps effective | 2000 MHz, 16 Gbps effective |

| Memory Type | LPDDR5 | GDDR6 |

| Memory Bus Width | 128 bit | 256 bit |

| Memory Bandwidth | 102.4 GB/s | 512.0 GB/s |

| Shading Units | 512 | 4096 |

| TMUs | 32 | 256 |

| ROPs | 16 | 128 |

| Ray Tracing Cores | 8 | 32 |

| Pixel Rate | 25.60 GPixel/s | 307.2 GPixel/s |

| Texture Rate | 51.20 GTexel/s | 614.4 GTexel/s |

| FP32 | 1.638 TFLOPS | 19.66 TFLOPS |

| FP16 | 3.277 TFLOPS (2:1) | 39.32 TFLOPS (2:1) |

| TDP | 15 W | 225 W |

| Slot Width | null | Dual-slot |

| Power Connectors | null | 1x 6-pin + 1x 8-pin |

| Suggested PSU | null | 550 W |

| Bus Interface | null | PCIe 4.0 x16 |

| Display Outputs | 1x USB Type-C | 1x HDMI 2.1a, 3x DisplayPort 2.1 |

| Release Date | 2024-12-31 | 2025-12-31 |

| Predecessor | null | Alchemist |

| Production Status | Active | null |

Fields where the two match include memory size (16 GB for both), API support (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4 for both), and manufacturer foundry (TSMC for both).

Where Each One Wins

The Intel Arc B770 wins on every compute and memory metric recorded in the database. It has 8x the shading units, 8x the TMUs, 8x the ROPs, and 4x the ray tracing cores. Its FP32 throughput is 12x higher, its texture rate is 12x higher, and its pixel rate is 12x higher. Memory bandwidth is 5x higher. Its boost clock is 1.5x higher. It has a broader set of display outputs, including HDMI 2.1a and three DisplayPort 2.1 connections, whereas the AMD part has only a single USB Type-C output.

The AMD Ryzen Z2 A GPU wins on power efficiency and compactness. Its TDP of 15 W is 15x lower than the Intel part's 225 W. It requires no power connectors and has no suggested PSU, while the Intel part needs a 6-pin and 8-pin connector plus a 550 W power supply. The AMD part is classified as Active in production status, while the Intel part has no production status recorded. The AMD part also uses a smaller die at 163 mm² versus 368 mm², and it was released one year earlier, on 2024-12-31 versus 2025-12-31.

The AMD part is the only one of the two with a known transistor count and transistor density. The Intel part has an unknown transistor count and no density figure.

The Verdict

The data in the database points to two completely different product categories. The AMD Ryzen Z2 A GPU is a low-power console-class GPU with a 15 W TDP, a single USB Type-C output, and LPDDR5 memory. The Intel Arc B770 is a high-power desktop add-in board with a 225 W TDP, dual-slot cooler, PCIe 4.0 x16 interface, and GDDR6 memory. The specification sheet for the Intel part is dominant in every performance-related field: 12x FP32 throughput, 12x pixel rate, 5x memory bandwidth, and 8x shading units.

There is no benchmark data to validate real-world performance, so the verdict must rest on the recorded specifications. For workloads requiring high throughput, large memory bandwidth, and extensive display connectivity, the Intel Arc B770 is the only viable choice based on the numbers. For constrained power envelopes, low heat output, and minimal physical footprint, the AMD Ryzen Z2 A GPU is the only option that fits those parameters. No measured performance data exists in the database to overturn these structural differences, so the selection between the two is determined entirely by the power and form factor constraints of the target system.