NVIDIA B200 vs NVIDIA RTX 4500 Ada Generation Comparison

# NVIDIA B200 vs NVIDIA RTX 4500 Ada Generation

The NVIDIA B200 and NVIDIA RTX 4500 Ada Generation occupy entirely different tiers of the GPU landscape. The B200 is a server-class Blackwell accelerator with a 100th-percentile benchmark standing, while the RTX 4500 Ada is a workstation card sitting at the 97th percentile. The performance gap in the sole shared benchmark is stark: the B200 scores 345,482 in Geekbench OpenCL versus 160,786 for the RTX 4500 Ada, a 114.9% advantage. These are not competing products in any practical sense—they serve different form factors, power envelopes, and workloads.

The Verdict

The data presents a straightforward selection guide: choose the NVIDIA B200 if the workload demands maximum compute throughput and memory bandwidth in a server environment. Its OpenCL score of 345,482 places it 3.2% ahead of the NVIDIA H200 NVL (334,891), 8.6% ahead of the AMD Instinct MI300X (317,994), and 16.8% ahead of the NVIDIA L40S (295,763). The B200 also maintains a 6.6% lead over its successor-class sibling, the NVIDIA B300 SXM6 AC (369,831), though that delta is negative from the B200's perspective, meaning the B300 is faster. For data-center deployments where the 1000 W TDP and SXM Module slot are acceptable, the B200's benchmark results indicate it is among the fastest GPUs available.

Pick the NVIDIA RTX 4500 Ada Generation for workstation tasks requiring display outputs, PCIe 4.0 compatibility, and a 210 W power envelope. Its OpenCL score of 160,786 is nearly identical to its nearest rivals: the RTX A5500 (165,217, 0.5% ahead), the AMD Radeon PRO W7800 (164,894, 0.7% ahead), and the AMD Radeon Pro W6900X (168,574, 1.5% behind). The RTX 4500 Ada also edges out the NVIDIA A100 PCIe 40 GB (162,504) by 2.2%. This puts the RTX 4500 Ada in a tightly contested mid-range workstation segment where no single card dominates by a wide margin. The 24 GB GDDR6 memory and 4x DisplayPort 1.4a outputs make it suitable for professional visualization environments, but it is not in the same performance class as the B200.

Architecture Differences

The B200 is built on the Blackwell architecture with the GB100 chip, fabricated on a 5 nm process at TSMC with 104,000 million transistors. Its predecessor is Server Hopper, and its successor is Server Rubin. The B200 operates with a base clock of 700 MHz and a boost clock of 1965 MHz, featuring 18,944 shading units, 592 TMUs, and 24 ROPs. It includes 592 tensor cores, with FP32 performance rated at 74.45 TFLOPS and FP16 performance at 1,191.2 TFLOPS (16:1 ratio). Memory consists of 90 GB HBM3e on a 4096-bit bus, delivering 4.10 TB/s of bandwidth. The memory clock is 2000 MHz with 8 Gbps effective speed. The B200 has no display outputs, uses a PCIe 5.0 x16 bus interface, and requires a 1400 W suggested PSU. Its pixel rate is 47.16 GPixel/s and texture rate is 1,163.3 GTexel/s.

The RTX 4500 Ada Generation uses the Ada Lovelace architecture with the AD103 chip, also on a 5 nm TSMC process but with 45,900 million transistors on a 379 mm² die, yielding a transistor density of 121.1M per mm². Its predecessor is Workstation Ampere, and its successor is Blackwell PRO W. Base clock is 2070 MHz with a boost of 2580 MHz, and it has 7,680 shading units, 240 TMUs, and 80 ROPs. The RTX 4500 Ada includes 60 RT cores and 240 tensor cores, with FP32 and FP16 both rated at 39.63 TFLOPS (1:1 ratio). Memory is 24 GB GDDR6 on a 192-bit bus at 432.0 GB/s bandwidth, with a memory clock of 2250 MHz (18 Gbps effective). It features 4x DisplayPort 1.4a outputs, PCIe 4.0 x16 interface, a 550 W suggested PSU, and supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Pixel rate is 206.4 GPixel/s and texture rate is 619.2 GTexel/s. Physical dimensions are 245 mm length and 112 mm height.

The architectural disparity is immense. The B200 has roughly 2.27 times the shading units, 2.47 times the TMUs, and 2.47 times the tensor cores of the RTX 4500 Ada. The B200's memory bandwidth of 4.10 TB/s is 9.49 times higher than the RTX 4500 Ada's 432.0 GB/s. The B200's FP32 throughput of 74.45 TFLOPS is 1.88 times the RTX 4500 Ada's 39.63 TFLOPS. However, the RTX 4500 Ada has a higher boost clock (2580 MHz vs 1965 MHz) and more ROPs (80 vs 24), which explains its higher pixel rate of 206.4 GPixel/s versus 47.16 GPixel/s. The B200's FP16 advantage is even more pronounced at 1,191.2 TFLOPS versus 39.63 TFLOPS, a 30-fold difference, reflecting the B200's specialized tensor throughput.

Where Each One Wins

Based on the available benchmark data, the B200 wins decisively in the OpenCL compute test. Its score of 345,482 is more than double the RTX 4500 Ada's 160,786. This indicates the B200 is the clear choice for compute-heavy server workloads such as large-scale AI training, scientific simulation, and data processing where memory capacity and bandwidth are critical. The B200's 90 GB HBM3e memory and 4.10 TB/s bandwidth dwarf the RTX 4500 Ada's 24 GB GDDR6 and 432.0 GB/s, making the B200 the only option for datasets that exceed workstation memory limits.

The RTX 4500 Ada wins in areas not captured by the single OpenCL benchmark but evident from its specifications. It has display outputs (4x DisplayPort 1.4a) while the B200 has none, making it the only viable choice for visual output. The RTX 4500 Ada supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 APIs, whereas the B200 lists no API support in the data. The RTX 4500 Ada's higher pixel rate (206.4 GPixel/s vs 47.16 GPixel/s) suggests better rasterization throughput for graphics workloads, and its higher boost clock (2580 MHz vs 1965 MHz) benefits latency-sensitive applications. The RTX 4500 Ada's 210 W TDP and dual-slot design also make it deployable in standard workstations, while the B200's 1000 W TDP and SXM Module form factor require specialized server infrastructure.

The RTX 4500 Ada's Vulkan score of 171,401 exceeds its OpenCL score of 160,786, indicating some API-specific strength, though the B200 has no Vulkan benchmark to compare. In the absence of gaming or rendering benchmarks, the RTX 4500 Ada's advantage is qualitative: it is the only card with display outputs and consumer API support.

FAQ

Q: Which GPU has the higher OpenCL benchmark score?

A: The NVIDIA B200 scores 345,482 in Geekbench OpenCL, which is 114.9% higher than the RTX 4500 Ada Generation's score of 160,786.

Q: How does the B200 compare to its nearest rivals?

A: The B200 is 3.2% ahead of the NVIDIA H200 NVL (334,891), 8.6% ahead of the AMD Instinct MI300X (317,994), and 16.8% ahead of the NVIDIA L40S (295,763). It is 6.6% behind the NVIDIA B300 SXM6 AC (369,831).

Q: How does the RTX 4500 Ada compare to its nearest rivals?

A: The RTX 4500 Ada is 0.5% behind the NVIDIA RTX A5500 (165,217), 0.7% behind the AMD Radeon PRO W7800 (164,894), and 2.2% ahead of the NVIDIA A100 PCIe 40 GB (162,504). The AMD Radeon Pro W6900X (168,574) is 1.5% ahead.

Q: Which card has more memory and bandwidth?

A: The B200 has 90 GB of HBM3e memory on a 4096-bit bus with 4.10 TB/s bandwidth. The RTX 4500 Ada has 24 GB of GDDR6 memory on a 192-bit bus with 432.0 GB/s bandwidth.

Q: Can either card output video to displays?

A: Only the RTX 4500 Ada Generation has display outputs, featuring 4x DisplayPort 1.4a. The B200 has no display outputs.

Q: What are the power requirements for each?

A: The B200 has a 1000 W TDP with a suggested PSU of 1400 W. The RTX 4500 Ada has a 210 W TDP with a suggested PSU of 550 W.

Head-to-Head Benchmarks

The only shared benchmark between the two cards is Geekbench OpenCL, and the result is lopsided. The B200 scores 345,482 against the RTX 4500 Ada's 160,786, yielding a delta of 114.9% in favor of the B200. This means the B200 delivers more than double the OpenCL compute performance of the RTX 4500 Ada. To contextualize, the RTX 4500 Ada's score of 160,786 is actually close to its nearest rivals—the RTX A5500 (165,217) and AMD Radeon PRO W7800 (164,894) are within 1%—but the B200's score places it in a completely different performance tier.

The B200's lead over the RTX 4500 Ada is larger than its lead over any of its own nearest rivals. For instance, the B200 is only 3.2% ahead of the H200 NVL, but it is 114.9% ahead of the RTX 4500 Ada. This underscores the generational and market-segment chasm between the two cards. The B200 also has a 100th-percentile ranking among all GPUs, while the RTX 4500 Ada sits at the 97th percentile. The B200's FP32 compute of 74.45 TFLOPS is 1.88 times the RTX 4500 Ada's 39.63 TFLOPS, and its FP16 compute of 1,191.2 TFLOPS is 30 times the RTX 4500 Ada's 39.63 TFLOPS.

The RTX 4500 Ada does have one notable specification advantage: its pixel rate of 206.4 GPixel/s is 4.38 times higher than the B200's 47.16 GPixel/s, due to its 80 ROPs versus 24. Its texture rate of 619.2 GTexel/s is slightly more than half the B200's 1,163.3 GTexel/s. However, these rasterization-focused metrics are unlikely to compensate for the massive compute and memory deficits in any workload that the B200 targets. The B200's 90 GB memory capacity is 3.75 times the RTX 4500 Ada's 24 GB, and its 4.10 TB/s bandwidth is 9.49 times higher.

In terms of platform integration, the B200 uses PCIe 5.0 x16 while the RTX 4500 Ada uses PCIe 4.0 x16. The B200's 1000 W TDP and SXM Module form factor require a 1400 W PSU, whereas the RTX 4500 Ada's 210 W TDP and dual-slot design need only a 550 W PSU. The B200 has no power connectors listed, while the RTX 4500 Ada also lists none, suggesting both use board-level power delivery. The RTX 4500 Ada measures 245 mm in length and 112 mm in height, while the B200's dimensions are not specified.

The benchmark data shows a single decisive win for the B200 (1 win) and zero wins for the RTX 4500 Ada (0 wins) in head-to-head testing. The RTX 4500 Ada's additional Vulkan score of 171,401, which is 6.6% higher than its OpenCL score, cannot be compared directly since the B200 lacks a Vulkan result. This leaves the RTX 4500 Ada's case resting on its display outputs, API support, and lower power requirements—all qualitative advantages that do not appear in compute benchmarks. For raw performance, the B200 is unequivocally the superior product.