AMD Radeon 820M vs NVIDIA RTX 4000 Ada Generation Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between these two GPUs, though the comparison is asymmetric. The AMD Radeon 820M has no benchmark entries in the database, while the NVIDIA RTX 4000 Ada Generation carries two Geekbench scores. The RTX 4000 Ada Generation records 146,593 in Geekbench OpenCL and 123,842 in Geekbench Vulkan. Its average benchmark score across all recorded tests is 135,218, placing it in the 95th percentile of all GPUs in the database. The Radeon 820M holds a 50th percentile position with an average benchmark score of zero, meaning no recorded workload has been submitted for it. This absence of data makes direct numerical comparison impossible, but the percentile positions alone indicate the RTX 4000 Ada Generation sits far above the midpoint while the 820M sits exactly at it.

The RTX 4000 Ada Generation's nearest rivals in the database are all workstation-class cards. The NVIDIA A10M posts an average score of 135,230, essentially identical to the RTX 4000 Ada Generation with a delta of 0%. The AMD Radeon PRO W6800 scores 135,396, which is 0.1% above the RTX 4000 Ada Generation, a negligible margin. The AMD Radeon Pro W6800X Duo records 135,774, 0.4% higher, and the AMD Radeon PRO V620 reaches 136,472, 0.9% above. These deltas show the RTX 4000 Ada Generation is tightly clustered with high-end workstation GPUs, all within roughly 1% of one another in average benchmark performance. The data indicates the RTX 4000 Ada Generation delivers comparable throughput to those cards, with the V620 leading the group by less than a full percentage point.

For the Radeon 820M, there are no nearest rivals listed and no wins recorded on either side. The head-to-head benchmark table is empty. This means the database contains no direct comparison runs between the two products. What the data does show is that the RTX 4000 Ada Generation has a 95th percentile standing against all GPUs, while the 820M sits at the median. In practical terms, the RTX 4000 Ada Generation's recorded OpenCL score of 146,593 is more than double the Vulkan score of 123,842, indicating strong compute performance under the OpenCL workload. The Radeon 820M's lack of any benchmark entries leaves its performance profile undefined in the database, so any claims about its relative speed would be speculative.

FAQ

Q: How does the AMD Radeon 820M compare to the NVIDIA RTX 4000 Ada Generation in recorded benchmarks?

A: The database contains no benchmark entries for the Radeon 820M, so its average score is zero. The RTX 4000 Ada Generation has two recorded scores: 146,593 in Geekbench OpenCL and 123,842 in Geekbench Vulkan, with an average of 135,218.

Q: What percentile rank does each GPU hold in the database?

A: The Radeon 820M sits at the 50th percentile of all GPUs, while the RTX 4000 Ada Generation sits at the 95th percentile.

Q: Which GPUs are closest to the RTX 4000 Ada Generation in performance?

A: The nearest rivals are the NVIDIA A10M with an average score of 135,230 and a 0% delta, the AMD Radeon PRO W6800 at 135,396 with a -0.1% delta, the AMD Radeon Pro W6800X Duo at 135,774 with a -0.4% delta, and the AMD Radeon PRO V620 at 136,472 with a -0.9% delta.

Q: Does the Radeon 820M have any recorded wins over the RTX 4000 Ada Generation?

A: No. The head-to-head benchmark table is empty, and the wins counter for each GPU is zero.

Q: What is the average benchmark score difference between the RTX 4000 Ada Generation and its closest rival?

A: The NVIDIA A10M scores 135,230, which is 12 points higher than the RTX 4000 Ada Generation's 135,218, but the delta is recorded as 0% due to rounding.

Q: Which GPU has a higher Vulkan score?

A: The RTX 4000 Ada Generation records 123,842 in Geekbench Vulkan. The Radeon 820M has no Vulkan score in the database.

The Verdict

The data clearly favors the NVIDIA RTX 4000 Ada Generation for any user requiring recorded, verifiable compute performance. Its 95th percentile rank and average score of 135,218 place it among the top-tier workstation GPUs in the database. The nearest rivals, including the NVIDIA A10M and AMD Radeon PRO W6800, are all within 1% of its average score, confirming that the RTX 4000 Ada Generation delivers performance consistent with that class of hardware. The OpenCL score of 146,593 indicates strong compute throughput, and the Vulkan score of 123,842 shows capable graphics workload handling.

The AMD Radeon 820M, by contrast, has no recorded benchmarks in the database. Its 50th percentile position is a neutral placeholder rather than a performance measurement. Users considering the 820M would be selecting a GPU whose database profile is entirely empty, with no scores to compare against any rival. The RTX 4000 Ada Generation offers 20 GB of GDDR6 memory, 6144 shading units, and 48 RT cores, all of which are documented. The 820M uses system-shared memory with system-dependent bandwidth, which introduces variability that the fixed 360.0 GB/s bandwidth of the RTX 4000 Ada Generation does not have.

For workloads requiring predictable high-end compute, the RTX 4000 Ada Generation is the only one of the two with evidence to support it. The 820M's integrated design and absence of benchmark data mean it cannot be recommended for any performance-critical task based on the database. The RTX 4000 Ada Generation's 95th percentile standing and its tight clustering with other workstation GPUs make it the clear choice for users who need documented performance.

Specification Differences

The two GPUs differ across nearly every recorded specification. The AMD Radeon 820M uses the Krackan Point 2 chip with RDNA 3.5 architecture, fabricated on a 4 nm process at TSMC. The NVIDIA RTX 4000 Ada Generation uses the AD104 chip with Ada Lovelace architecture, fabricated on a 5 nm process at TSMC. Transistor counts diverge sharply: the 820M's transistor count is unknown, while the RTX 4000 Ada Generation contains 35,800 million transistors on a 294 mm² die, yielding a density of 121.8M per mm². The 820M's die size is likewise unknown.

Clock speeds differ substantially. The 820M has a base clock of 400 MHz and a boost clock of 2800 MHz. The RTX 4000 Ada Generation runs at a base clock of 1500 MHz and a boost clock of 2175 MHz. The 820M's memory clock is listed as "System Shared," while the RTX 4000 Ada Generation uses a memory clock of 2250 MHz with 18 Gbps effective. Memory configurations are entirely different: the 820M shares system memory with no dedicated size, type, bus width, or bandwidth, while the RTX 4000 Ada Generation has 20 GB of GDDR6 on a 160-bit bus with 360.0 GB/s bandwidth.

Compute resources show a large gap. The 820M has 128 shading units, 8 texture mapping units, 4 ROPs, and 2 RT cores. The RTX 4000 Ada Generation has 6144 shading units, 192 TMUs, 64 ROPs, 48 RT cores, and 192 tensor cores. Pixel rate for the 820M is 11.20 GPixel/s versus 139.2 GPixel/s for the RTX 4000 Ada Generation. Texture rates are 22.40 GTexel/s versus 417.6 GTexel/s. FP32 throughput is 716.8 GFLOPS for the 820M versus 26.73 TFLOPS for the RTX 4000 Ada Generation. Both list FP16 at the same rate as FP32, indicating a 1:1 ratio.

Power and physical specifications diverge as well. The 820M has a TDP of 15 W, is an integrated GPU with no power connectors, and uses a PCIe 4.0 x8 interface. The RTX 4000 Ada Generation has a TDP of 130 W, requires a single 16-pin power connector, a suggested 300 W PSU, and uses PCIe 4.0 x16. The RTX 4000 Ada Generation is a single-slot card measuring 245 mm in length and 112 mm in height, with four DisplayPort 1.4a outputs. The 820M's display outputs are dependent on the portable device it ships in. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Architecture Differences

The architectural split is fundamental. The Radeon 820M uses RDNA 3.5, AMD's latest graphics architecture, built on a 4 nm TSMC process. The RTX 4000 Ada Generation uses Ada Lovelace, NVIDIA's workstation architecture, on a 5 nm TSMC process. The 820M belongs to the Navi III IGP generation for Strix Point Mobile, while the RTX 4000 Ada Generation belongs to the Workstation Ada generation. The 820M's predecessor is Navi II IGP, and the RTX 4000 Ada Generation's predecessor is Workstation Ampere, with a successor in Blackwell PRO W.

The 820M integrates 2 RT cores for ray tracing, while the RTX 4000 Ada Generation packs 48 RT cores. Tensor cores are absent from the 820M's specification, whereas the RTX 4000 Ada Generation includes 192 tensor cores. The 820M has 128 shading units, a figure consistent with an integrated part, while the RTX 4000 Ada Generation has 6144 shading units, a 48-fold difference. TMU counts are 8 versus 192, and ROP counts are 4 versus 64. The RTX 4000 Ada Generation's 20 GB GDDR6 memory with a 160-bit bus and 360.0 GB/s bandwidth stands in contrast to the 820M's fully shared memory subsystem, where all memory parameters are system-dependent.

The 820M's cache hierarchy is not recorded in the database, whereas the RTX 4000 Ada Generation's transistor density of 121.8M per mm² indicates a densely packed design. The 820M's 15 W TDP reflects its integrated nature, while the RTX 4000 Ada Generation's 130 W TDP with a 16-pin connector and 300 W suggested PSU indicates a discrete card with substantial power delivery. The 820M uses PCIe 4.0 x8, halving the lane count of the RTX 4000 Ada Generation's PCIe 4.0 x16. Both share identical API support, including DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, but the underlying hardware implementations are entirely distinct. The 820M is a mobile-integrated part with no fixed dimensions or display outputs, while the RTX 4000 Ada Generation is a 245 mm single-slot workstation card with four DisplayPort outputs. The release dates also differ, with the 820M appearing in the database as active from 2025-02-28 and the RTX 4000 Ada Generation active from 2023-08-08.