AMD Radeon Pro Vega II Duo vs NVIDIA RTX A4500 Comparison

AMD Radeon Pro Vega II Duo vs NVIDIA RTX A4500: the data shows a clear, though narrow, overall win for the NVIDIA card, but the AMD card holds its own in specific compute workloads. In the two head-to-head benchmark tests available, the RTX A4500 wins both, but the Radeon Pro Vega II Duo’s raw memory bandwidth and massive frame buffer make it a specialized tool for specific tasks.

Head-to-Head Benchmarks

The NVIDIA RTX A4500 dominates the direct comparison in both available benchmark tests. In Geekbench OpenCL, the RTX A4500 scores 141,837 against the Radeon Pro Vega II Duo’s 98,432, a delta of -30.6% for the AMD card. The margin is substantial. The NVIDIA card is roughly 44% faster in raw OpenCL compute according to these numbers. Similarly, in Geekbench Vulkan, the RTX A4500 scores 129,980 versus 99,296, a -23.6% delta. The NVIDIA card leads by about 31% in this API test. The pattern is consistent: NVIDIA’s newer Ampere architecture delivers significantly higher compute throughput in these synthetic workloads.

However, the average benchmark score tells a different story. The AMD Radeon Pro Vega II Duo has an average benchmark score of 106,750, while the NVIDIA RTX A4500 sits at 91,671. This means the AMD card actually has a higher average across all recorded benchmarks, even though it loses both head-to-head tests. The discrepancy suggests the Vega II Duo performs better in other tests not present in the head-to-head set. The Radeon Pro Vega II Duo also holds a 94th percentile ranking among all GPUs, slightly above the RTX A4500’s 93rd percentile. So while the NVIDIA card wins the direct matchups, the AMD card’s overall profile is more competitive.

The closest rival to the AMD card is the AMD Radeon Pro W6600X, which has an average score of 107,342, a mere -0.6% delta from the Vega II Duo. The NVIDIA Quadro RTX 6000 trails the AMD card by 4.8% with an average score of 101,872. For the RTX A4500, its nearest rival is the NVIDIA RTX A4500 Mobile at 91,134, a +0.6% delta, showing the desktop version is only marginally faster than its mobile counterpart. The AMD Radeon PRO W7600 is 5.2% behind the RTX A4500 with a score of 87,108.

Architecture Differences

The architectural gap between these two cards is generational. The AMD Radeon Pro Vega II Duo uses the Vega 20 chip based on GCN 5.1 architecture, built on a 7 nm process at TSMC. The NVIDIA RTX A4500 uses the GA102 chip based on Ampere architecture, built on an 8 nm process at Samsung. The node advantage goes to AMD, but the newer architecture goes to NVIDIA. The transistor counts reflect the design philosophies: the AMD chip packs 13,230 million transistors on a 331 mm² die, giving a density of 40.0M per mm². The NVIDIA chip has 28,300 million transistors on a 628 mm² die, at a density of 45.1M per mm². NVIDIA uses more than double the transistors on nearly double the die area.

Memory architecture is where the AMD card makes its biggest statement. The Radeon Pro Vega II Duo features 32 GB of HBM2 memory on a 4096-bit bus, delivering 1.02 TB/s of bandwidth. The RTX A4500 has 20 GB of GDDR6 on a 320-bit bus, yielding 640.0 GB/s. The AMD card has 60% more memory and 59% more bandwidth. The NVIDIA card has 7,168 shading units against AMD’s 4,096, giving it a 75% advantage in shader count. The RTX A4500 also has 224 tensor cores and 56 RT cores, features entirely absent from the AMD card, which lists no RT or tensor core counts at all. The NVIDIA card supports DirectX 12 Ultimate (12_2), while the AMD card only supports DirectX 12 (12_1). Both support OpenGL 4.6, but the NVIDIA card supports Vulkan 1.4 versus AMD’s Vulkan 1.3.

Clock speeds are closer than the architecture suggests. The AMD card has a base clock of 1400 MHz and a boost of 1720 MHz. The NVIDIA card has a base of 1050 MHz and a boost of 1650 MHz. AMD boosts 4% higher, but NVIDIA’s higher shader count more than compensates. The FP32 performance tells the story: the RTX A4500 delivers 23.65 TFLOPS versus the Vega II Duo’s 14.09 TFLOPS, a 68% advantage for NVIDIA. The AMD card does achieve 28.18 TFLOPS FP16 (2:1), while NVIDIA matches its FP32 at 23.65 TFLOPS FP16 (1:1), meaning AMD has a 19% lead in half-precision compute.

Where Each One Wins

The NVIDIA RTX A4500 wins on raw compute throughput. Its 23.65 TFLOPS FP32 is a decisive advantage over the AMD card’s 14.09 TFLOPS. In the head-to-head OpenCL test, NVIDIA leads by 30.6%, and in Vulkan by 23.6%. The RTX A4500 also has dedicated RT and tensor cores, making it the clear choice for ray-traced workloads and AI inference. Its 96 ROPs deliver a 158.4 GPixel/s pixel rate, which is 44% higher than AMD’s 110.1 GPixel/s. The NVIDIA card also wins on texture rate, with 369.6 GTexel/s versus AMD’s 440.3 GTexel/s — wait, that is incorrect. The AMD card actually has a higher texture rate at 440.3 GTexel/s against NVIDIA’s 369.6 GTexel/s. The AMD card wins texture fill, likely due to its 256 TMUs versus NVIDIA’s 224.

The AMD Radeon Pro Vega II Duo wins on memory capacity and bandwidth. Its 32 GB of HBM2 is 60% larger than NVIDIA’s 20 GB, and its 1.02 TB/s bandwidth is 59% higher than the RTX A4500’s 640.0 GB/s. This makes the AMD card superior for workloads that are memory-bound rather than compute-bound, such as large dataset manipulation or high-resolution texture streaming. The AMD card also has a higher average benchmark score of 106,750 versus 91,671, indicating it performs better across a broader range of tests. Its 94th percentile ranking versus the RTX A4500’s 93rd percentile reinforces this.

The AMD card also wins on FP16 compute. With 28.18 TFLOPS (2:1), it outpaces the NVIDIA card’s 23.65 TFLOPS (1:1) by 19%. For workloads that can leverage half-precision, the AMD card has an edge. Additionally, the AMD card has a higher texture rate, 440.3 GTexel/s versus 369.6 GTexel/s, a 19% advantage. The RTX A4500 counters with a higher pixel rate, 158.4 GPixel/s versus 110.1 GPixel/s, a 44% lead.

Specification Differences

The two cards differ in nearly every major specification category. The AMD Radeon Pro Vega II Duo uses a 7 nm process at TSMC, while the NVIDIA RTX A4500 uses an 8 nm process at Samsung. The AMD card has 13,230 million transistors on a 331 mm² die; the NVIDIA card has 28,300 million on a 628 mm² die. Memory differs fundamentally: AMD has 32 GB HBM2 on a 4096-bit bus with 1.02 TB/s bandwidth; NVIDIA has 20 GB GDDR6 on a 320-bit bus with 640.0 GB/s. The AMD card has 4,096 shading units, 256 TMUs, and 64 ROPs. The NVIDIA card has 7,168 shading units, 224 TMUs, and 96 ROPs. Only the NVIDIA card has 56 RT cores and 224 tensor cores.

Clock speeds: AMD base 1400 MHz, boost 1720 MHz; NVIDIA base 1050 MHz, boost 1650 MHz. Memory clock: AMD 1000 MHz (2 Gbps effective), NVIDIA 2000 MHz (16 Gbps effective). Compute rates: AMD FP32 14.09 TFLOPS, FP16 28.18 TFLOPS; NVIDIA FP32 23.65 TFLOPS, FP16 23.65 TFLOPS. Pixel rate: AMD 110.1 GPixel/s, NVIDIA 158.4 GPixel/s. Texture rate: AMD 440.3 GTexel/s, NVIDIA 369.6 GTexel/s. Power: AMD 475 W TDP with an 850 W suggested PSU, quad-slot; NVIDIA 200 W TDP with a 550 W suggested PSU, dual-slot with a single 8-pin connector. Bus interface: AMD Apple MPX, NVIDIA PCIe 4.0 x16. Display outputs: AMD 1x HDMI 2.0b and 4x Thunderbolt; NVIDIA 4x DisplayPort 1.4a. API support: AMD DirectX 12 (12_1), OpenGL 4.6, Vulkan 1.3; NVIDIA DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4. The AMD card has a launch MSRP of 4,399 USD. The NVIDIA card has no launch MSRP listed.

FAQ

Q: Which card has higher raw compute performance in FP32?

A: The NVIDIA RTX A4500. It delivers 23.65 TFLOPS FP32, which is 68% higher than the AMD Radeon Pro Vega II Duo’s 14.09 TFLOPS.

Q: How do the two cards compare in the Geekbench OpenCL benchmark?

A: The NVIDIA RTX A4500 scores 141,837, while the AMD Radeon Pro Vega II Duo scores 98,432. The NVIDIA card leads by a -30.6% delta, meaning it is roughly 44% faster in this test.

Q: Does the AMD card have any memory advantage?

A: Yes. The AMD Radeon Pro Vega II Duo has 32 GB of HBM2 on a 4096-bit bus, providing 1.02 TB/s bandwidth. The NVIDIA RTX A4500 has 20 GB of GDDR6 on a 320-bit bus, providing 640.0 GB/s. AMD has 60% more memory and 59% more bandwidth.

Q: Which card supports ray tracing and tensor operations?

A: Only the NVIDIA RTX A4500. It has 56 RT cores and 224 tensor cores. The AMD Radeon Pro Vega II Duo lists no RT or tensor core counts.

Q: What is the power consumption difference?

A: The AMD Radeon Pro Vega II Duo has a 475 W TDP with an 850 W suggested PSU. The NVIDIA RTX A4500 has a 200 W TDP with a 550 W suggested PSU. The NVIDIA card uses 58% less power.

Q: Which card has a higher average benchmark score overall?

A: The AMD Radeon Pro Vega II Duo has an average benchmark score of 106,750, while the NVIDIA RTX A4500 has 91,671. The AMD card is about 16% higher on average.

The Verdict

The data points to a straightforward conclusion: the NVIDIA RTX A4500 is the better card for general compute performance and modern workloads. It wins both head-to-head benchmarks decisively, with a 30.6% lead in OpenCL and a 23.6% lead in Vulkan. Its 23.65 TFLOPS FP32 is far ahead of AMD’s 14.09 TFLOPS. The inclusion of 56 RT cores and 224 tensor cores makes it the only option for ray-traced rendering and AI-accelerated tasks. Its 200 W TDP and dual-slot design also make it far more practical than the AMD card’s 475 W TDP and quad-slot footprint. The RTX A4500 is the rational choice for most professional users.

The AMD Radeon Pro Vega II Duo is a specialized tool. Its 32 GB of HBM2 memory and 1.02 TB/s bandwidth are unmatched by the RTX A4500. For workloads that are memory-bound, such as massive dataset processing or high-resolution texture work, the AMD card has a clear advantage. Its higher average benchmark score of 106,750 versus 91,671, along with its 94th percentile ranking, shows it performs strongly across a wider range of tests. Its FP16 compute of 28.18 TFLOPS also exceeds NVIDIA’s 23.65 TFLOPS. However, its Apple MPX bus interface limits it to Apple systems, and its quad-slot design requires substantial chassis space. The RTX A4500 is the better all-rounder; the Vega II Duo is the memory-bandwidth specialist. Choose the NVIDIA card for balanced performance, choose the AMD card only if memory capacity and bandwidth are the primary bottleneck.