AMD Ryzen Z2 Extreme GPU vs Intel Arc B770 Comparison

FAQ

Q: What is the AMD Ryzen Z2 Extreme GPU?

A: The AMD Ryzen Z2 Extreme GPU is a console-class integrated graphics solution from AMD. It uses the Strix Point chip and is built on the RDNA 3.5 architecture using a 4 nm process from TSMC. It was released on 2025-07-08 and is currently listed as Active in production status.

Q: What is the Intel Arc B770?

A: The Intel Arc B770 is a discrete graphics card from Intel, part of the Battlemage (Arc 7) generation. It uses the BMG-G31 chip and is built on the Xe2-HPG architecture using a 5 nm process from TSMC. Its release date is listed as 2025-12-31.

Q: How do the two compare in raw compute performance?

A: The Intel Arc B770 delivers 19.66 TFLOPS FP32 performance, which is significantly higher than the AMD Ryzen Z2 Extreme GPU's 5.530 TFLOPS FP32. In FP16, the Arc B770 reaches 39.32 TFLOPS with a 2:1 ratio, while the Z2 Extreme GPU achieves 5.530 TFLOPS with a 1:1 ratio.

Q: Which GPU has more memory bandwidth?

A: The Intel Arc B770 has a substantial advantage. It uses 16 GB of GDDR6 memory on a 256-bit bus, providing 512.0 GB/s of bandwidth. The AMD Ryzen Z2 Extreme GPU uses 16 GB of LPDDR5X on a 128-bit bus, delivering 128.0 GB/s.

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. This means they are on equal footing regarding API feature levels, despite their large performance differences.

Q: What is the power consumption difference?

A: The AMD Ryzen Z2 Extreme GPU has a TDP of 28 W, while the Intel Arc B770 has a TDP of 225 W. The Arc B770 also requires a 550 W suggested PSU and uses 1x 6-pin plus 1x 8-pin power connectors, whereas the Z2 Extreme GPU uses no power connectors.

Architecture Differences

The AMD Ryzen Z2 Extreme GPU and Intel Arc B770 represent two fundamentally different design philosophies. The Z2 Extreme GPU is an integrated graphics solution built into the Strix Point chip, using AMD's RDNA 3.5 architecture on a 4 nm TSMC process. The Arc B770 is a discrete add-in card using Intel's Xe2-HPG architecture, built on a 5 nm TSMC process with the BMG-G31 chip.

The transistor counts tell a story of scale. The AMD chip contains 34,000 million transistors on a 233 mm² die, yielding a transistor density of 145.9M per mm². The Intel chip's transistor count is listed as unknown, but its die size is considerably larger at 368 mm². The process node difference (4 nm vs 5 nm) explains part of the density gap, but the architectural divergence is more significant.

Core configurations differ dramatically. The AMD Ryzen Z2 Extreme GPU has 1024 shading units, 64 texture mapping units, 48 raster output units, and 16 ray tracing cores. The Intel Arc B770 quadruples these numbers in most categories: 4096 shading units, 256 TMUs, 128 ROPs, and 32 ray tracing cores. This is a 4x difference in shading units and TMUs, and a 2.67x difference in ROPs.

Clock speeds also favor the Intel card. The Arc B770 runs at a base clock of 2100 MHz and a boost clock of 2400 MHz. The AMD Z2 Extreme GPU runs at a base of 800 MHz and boosts to 2700 MHz. Interestingly, the AMD part has a higher boost clock, but its lower base clock and far fewer cores result in much lower overall throughput.

Memory architectures are completely different. The AMD part uses LPDDR5X memory running at 1000 MHz (8 Gbps effective) on a 128-bit bus. The Intel part uses GDDR6 at 2000 MHz (16 Gbps effective) on a 256-bit bus. The bandwidth gap is stark: 128.0 GB/s versus 512.0 GB/s, a 4x difference.

The power envelope is another major architectural separator. The AMD Z2 Extreme GPU operates within a 28 W TDP, making it suitable for compact, low-power console-style designs. The Intel Arc B770 requires 225 W, uses a dual-slot cooler, and needs both 6-pin and 8-pin power connectors. It also specifies a 550 W suggested PSU.

Head-to-Head Benchmarks

The recorded data for direct head-to-head benchmarks between these two GPUs is empty, and the wins count shows zero for both. However, the database does contain a single benchmark entry for the AMD Ryzen Z2 Extreme GPU and percentile data for both parts, which allows for meaningful comparison.

The AMD Ryzen Z2 Extreme GPU scores 516 in the 3dmark_3dmark_steel_nomad_dx12 test. This places it in the 1st percentile among all GPUs in the database. Its average benchmark score is 516. The Intel Arc B770 has no recorded benchmark scores in the database, with an average score of 0, but it sits in the 50th percentile overall.

The nearest rivals for the AMD part provide context for its performance level. The AMD Radeon HD 6750M scores 484, which is 6.6% lower than the Z2 Extreme GPU. The Intel HD Graphics P4000 scores 534, which is 3.4% higher. The AMD Radeon HD 6870 scores 536, 3.7% higher. The AMD Radeon HD 6770M scores 569, which is 9.3% higher than the Z2 Extreme GPU.

These deltas indicate that the AMD Ryzen Z2 Extreme GPU performs in the range of older, low-end discrete and integrated graphics solutions. It is not competitive with the Intel Arc B770, which sits at the 50th percentile of all GPUs, a position that implies a vastly higher performance tier. The absence of benchmark data for the Arc B770 means the database cannot compute a direct delta percentage, but the percentile gap (1st versus 50th) is the clearest available indicator of the performance chasm between them.

The FP32 compute figures reinforce this gap. The Intel Arc B770 delivers 19.66 TFLOPS, which is 3.55 times the AMD part's 5.530 TFLOPS. In FP16, the Arc B770's 39.32 TFLOPS versus the Z2 Extreme GPU's 5.530 TFLOPS represents a 7.1x difference. Pixel and texture rates follow the same pattern: the Arc B770 achieves 307.2 GPixel/s and 614.4 GTexel/s, while the Z2 Extreme GPU manages 129.6 GPixel/s and 172.8 GTexel/s.

Specification Differences

The two GPUs differ across nearly every measurable specification. The process node differs: 4 nm for AMD versus 5 nm for Intel. Die size differs substantially: 233 mm² for the AMD chip versus 368 mm² for the Intel chip. The transistor count is 34,000 million for AMD and unknown for Intel.

Clock speeds: the AMD base clock is 800 MHz versus 2100 MHz for Intel. The boost clock is 2700 MHz for AMD versus 2400 MHz for Intel. Memory clocks are 1000 MHz (8 Gbps effective) for AMD versus 2000 MHz (16 Gbps effective) for Intel.

Memory configuration: both have 16 GB capacity, but the AMD part uses LPDDR5X on a 128-bit bus, while the Intel part uses GDDR6 on a 256-bit bus. Bandwidth is 128.0 GB/s for AMD and 512.0 GB/s for Intel.

Core counts: 1024 shading units for AMD versus 4096 for Intel. TMUs: 64 versus 256. ROPs: 48 versus 128. Ray tracing cores: 16 versus 32.

Compute rates: pixel rate is 129.6 GPixel/s for AMD versus 307.2 GPixel/s for Intel. Texture rate is 172.8 GTexel/s for AMD versus 614.4 GTexel/s for Intel. FP32 is 5.530 TFLOPS for AMD versus 19.66 TFLOPS for Intel. FP16 is 5.530 TFLOPS (1:1) for AMD versus 39.32 TFLOPS (2:1) for Intel.

Power and cooling: TDP is 28 W for AMD versus 225 W for Intel. The AMD part has no power connectors, while the Intel part uses 1x 6-pin plus 1x 8-pin. The Intel card is dual-slot and specifies a 550 W suggested PSU. The AMD part has no slot width or PSU requirement listed. The Intel card uses PCIe 4.0 x16, while the AMD part has no bus interface listed.

Display outputs: the AMD part has 1x USB Type-C, while the Intel card has 1x HDMI 2.1a and 3x DisplayPort 2.1. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API support is identical.

Release dates differ: 2025-07-08 for AMD and 2025-12-31 for Intel. The Intel part has a predecessor listed as Alchemist, while the AMD part has no predecessor. Production status is Active for AMD and not listed for Intel.

The Verdict

The data indicates a clear performance hierarchy. The Intel Arc B770 operates in a completely different performance class than the AMD Ryzen Z2 Extreme GPU. The 50th percentile placement for the Arc B770 versus the 1st percentile for the Z2 Extreme GPU is the most direct summary of their relative positions in the database.

The AMD Ryzen Z2 Extreme GPU's 516 benchmark score places it alongside older discrete GPUs like the AMD Radeon HD 6870 (536, 3.7% higher) and the Intel HD Graphics P4000 (534, 3.4% higher). It also sits above the AMD Radeon HD 6750M (484, 6.6% lower). This is a performance level suited to basic rendering, light gaming at low settings, and power-constrained environments.

The Intel Arc B770, by contrast, has no benchmark scores in the database but holds a 50th percentile ranking. Its 19.66 TFLOPS FP32 and 512.0 GB/s memory bandwidth are figures that place it in a tier where modern gaming at high settings, ray tracing workloads, and content creation tasks are feasible. The 32 ray tracing cores versus 16, the 4x shading unit count, and the 4x memory bandwidth all point to a GPU designed for demanding applications.

The power envelope is the defining difference. The AMD part's 28 W TDP means it can operate in devices without dedicated cooling or power delivery, such as handheld consoles or compact APU systems. The Intel part's 225 W TDP, dual-slot cooler, and 550 W PSU requirement indicate a desktop-oriented discrete card that expects a full power supply and chassis airflow.

For users constrained by power or physical space, the AMD Ryzen Z2 Extreme GPU is the only viable option. For users who need raw performance and have a desktop platform capable of supplying 225 W, the Intel Arc B770 is the clear choice based on the recorded specifications.

Where Each One Wins

The AMD Ryzen Z2 Extreme GPU wins in power efficiency and integration. Its 28 W TDP is dramatically lower than the Intel part's 225 W, a difference of 197 W. It requires no power connectors, no suggested PSU, and has no slot width requirement. It uses a 4 nm process versus 5 nm, which contributes to its lower power draw. Its 233 mm² die is also smaller than the Intel part's 368 mm², though the AMD chip includes more than just the GPU.

The AMD part also has a higher boost clock: 2700 MHz versus 2400 MHz for Intel. This does not overcome the massive core count disadvantage, but it does indicate that the AMD architecture can reach higher frequencies at its low power level. Its release date of 2025-07-08 is earlier than the Intel part's 2025-12-31, meaning it is already available in the market.

The Intel Arc B770 wins decisively in raw performance metrics. Its FP32 throughput of 19.66 TFLOPS versus 5.530 TFLOPS for AMD is a 3.55x advantage. FP16 performance is even more lopsided: 39.32 TFLOPS versus 5.530 TFLOPS, a 7.1x gap. Memory bandwidth is 512.0 GB/s versus 128.0 GB/s, a 4x difference. Texture rate is 614.4 GTexel/s versus 172.8 GTexel/s, a 3.56x difference. Pixel rate is 307.2 GPixel/s versus 129.6 GPixel/s, a 2.37x difference.

The Intel part also wins in core configuration. It has 4x the shading units (4096 versus 1024), 4x the TMUs (256 versus 64), 2.67x the ROPs (128 versus 48), and 2x the ray tracing cores (32 versus 16). Its memory bus is 256-bit versus 128-bit, and it uses GDDR6 instead of LPDDR5X.

In display connectivity, the Intel Arc B770 provides 1x HDMI 2.1a and 3x DisplayPort 2.1, while the AMD part offers only 1x USB Type-C. The Intel card also has a PCIe 4.0 x16 interface, which is a standard desktop expansion slot, whereas the AMD part has no bus interface listed.

The percentile data reinforces the Intel advantage. The Arc B770 sits at the 50th percentile of all GPUs in the database, while the Z2 Extreme GPU is at the 1st percentile. A 49 percentile point gap is substantial and indicates that the Intel part is positioned near the median of all recorded GPUs, while the AMD part is near the bottom.

Use-case separation is clear. The AMD Ryzen Z2 Extreme GPU serves scenarios where power draw must stay minimal: handheld gaming devices, thin-and-light laptops, or embedded console systems where 28 W is the budget. The Intel Arc B770 serves desktop systems where performance is the priority and a 225 W power budget is acceptable. Both have 16 GB of memory, but the Intel part's 512.0 GB/s bandwidth makes it suitable for high-resolution textures, large data sets, and memory-intensive workloads that would stall the AMD part's 128.0 GB/s connection.