AMD Radeon RX 7650 GRE vs NVIDIA L20 Comparison

FAQ

Q: Which GPU has the higher average benchmark score in the database?

A: The NVIDIA L20 records an average benchmark score of 251,147, while the AMD Radeon RX 7650 GRE records 42,723. The L20 sits in the 99th percentile of all GPUs, compared to the 83rd percentile for the AMD card.

Q: How do the two cards compare in the only head-to-head benchmark recorded?

A: In the Geekbench OpenCL test, the NVIDIA L20 scores 274,276 against 83,109 for the AMD Radeon RX 7650 GRE. The L20 wins with a delta of -69.7% from the AMD card's perspective.

Q: What are the memory capacities and bus widths of each card?

A: The AMD Radeon RX 7650 GRE uses 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth. The NVIDIA L20 uses 48 GB of GDDR6 on a 384-bit bus with 864.0 GB/s bandwidth.

Q: Which GPU has more shading units and RT cores?

A: The NVIDIA L20 has 11,776 shading units and 92 RT cores. The AMD Radeon RX 7650 GRE has 2,048 shading units and 32 RT cores.

Q: What are the process nodes and transistor counts for each chip?

A: The AMD Radeon RX 7650 GRE uses a 6 nm process with 13,300 million transistors on a 204 mm² die. The NVIDIA L20 uses a 5 nm process with 76,300 million transistors on a 609 mm² die.

Q: Do both cards support the same graphics APIs?

A: Yes, both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Architecture Differences

The AMD Radeon RX 7650 GRE is built on RDNA 3.0 architecture with the Navi 33 chip, codenamed Hotpink Bonefish. It belongs to the Navi III (RX 7000) generation and uses TSMC's 6 nm process. The die measures 204 mm² and packs 13,300 million transistors, resulting in a transistor density of 65.2M per mm². The NVIDIA L20 uses Ada Lovelace architecture with the AD102 chip and belongs to the Server Ada (Lxx) generation. It is fabricated on TSMC's 5 nm process, with a 609 mm² die containing 76,300 million transistors and a density of 125.3M per mm².

The compute configurations differ substantially. The AMD card has 2,048 shading units, 128 TMUs, 64 ROPs, and 32 RT cores, with no tensor cores listed. The NVIDIA L20 has 11,776 shading units, 368 TMUs, 128 ROPs, 92 RT cores, and 368 tensor cores. The L20 also carries significantly more memory: 48 GB of GDDR6 on a 384-bit bus versus 8 GB on a 128-bit bus.

Clock behavior differs as well. The AMD Radeon RX 7650 GRE has a base clock of 1720 MHz, a boost clock of 2695 MHz, and a game clock of 2350 MHz. The NVIDIA L20 has a lower base clock of 1440 MHz but a boost clock of 2520 MHz. Both cards run their memory at 2250 MHz with 18 Gbps effective speed. The AMD card's FP32 and FP16 throughput are both 22.08 TFLOPS with a 1:1 ratio, while the L20 achieves 59.35 TFLOPS in both FP32 and FP16, also at 1:1.

Power and physical characteristics differ markedly. The AMD card has a TDP of 170 W, uses a single 8-pin power connector, and requires a suggested 450 W power supply. The NVIDIA L20 has a TDP of 275 W, uses a 16-pin connector, and requires a suggested 600 W power supply. Both are dual-slot cards. The AMD card measures 204 mm in length and 115 mm in height; the L20 is longer at 267 mm and slightly shorter at 111 mm in height. The AMD card uses a PCIe 4.0 x8 interface, while the L20 uses PCIe 4.0 x16.

Display connectivity differs as well. The AMD Radeon RX 7650 GRE offers one HDMI 2.1a port and three DisplayPort 2.1 outputs. The NVIDIA L20 provides four DisplayPort 1.4a outputs. The AMD card's production status is active with a release date of February 6, 2025, while the L20 is also active with a release date of November 15, 2023. The AMD card lists its predecessor as Navi II and successor as Navi IV; the L20 lists Server Ampere as predecessor and Server Hopper as successor.

Where Each One Wins

The data shows a clean split between the two cards based on workload type. The NVIDIA L20 wins the only recorded direct comparison, the Geekbench OpenCL test, by a wide margin. Its average benchmark score of 251,147 places it in the 99th percentile of all GPUs, far above the AMD card's 42,723 average and 83rd percentile ranking.

For compute-heavy tasks that stress OpenCL performance, the NVIDIA L20 is the clear choice. Its 48 GB memory capacity and 864.0 GB/s bandwidth provide a substantial advantage for large datasets and memory-bound workloads. The L20's 368 tensor cores also give it dedicated hardware for AI and machine learning operations, which the AMD card lacks entirely.

The AMD Radeon RX 7650 GRE has no benchmark wins in the recorded data. Its strengths lie in its efficiency profile rather than raw throughput. The 170 W TDP is 105 W lower than the L20's 275 W, and the card requires a 450 W power supply versus 600 W. The AMD card also offers modern display outputs with DisplayPort 2.1 support, whereas the L20 is limited to DisplayPort 1.4a. For gaming-oriented builds that prioritize lower power draw and recent display connectivity, the AMD card has a practical edge, but the benchmark data does not show it winning any performance comparison.

Specification Differences

The two cards differ in nearly every major specification category. The AMD Radeon RX 7650 GRE uses a 6 nm process; the NVIDIA L20 uses 5 nm. Transistor counts are 13,300 million versus 76,300 million, and die sizes are 204 mm² versus 609 mm². Transistor density is 65.2M per mm² for AMD and 125.3M per mm² for NVIDIA.

Compute resources: 2,048 shading units, 128 TMUs, 64 ROPs, and 32 RT cores for AMD; 11,776 shading units, 368 TMUs, 128 ROPs, 92 RT cores, and 368 tensor cores for NVIDIA. The AMD card has no tensor cores listed.

Memory: 8 GB GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth for AMD; 48 GB GDDR6 on a 384-bit bus with 864.0 GB/s bandwidth for NVIDIA.

Clocks: AMD base 1720 MHz, boost 2695 MHz, game 2350 MHz; NVIDIA base 1440 MHz, boost 2520 MHz, no game clock listed. Memory clock is identical at 2250 MHz with 18 Gbps effective.

Performance rates: AMD pixel rate 172.5 GPixel/s, texture rate 345.0 GTexel/s, FP32 and FP16 both 22.08 TFLOPS; NVIDIA pixel rate 322.6 GPixel/s, texture rate 927.4 GTexel/s, FP32 and FP16 both 59.35 TFLOPS.

Power: AMD TDP 170 W, 1x 8-pin connector, suggested 450 W PSU; NVIDIA TDP 275 W, 1x 16-pin connector, suggested 600 W PSU.

Bus interface: AMD PCIe 4.0 x8; NVIDIA PCIe 4.0 x16.

Display outputs: AMD 1x HDMI 2.1a and 3x DisplayPort 2.1; NVIDIA 4x DisplayPort 1.4a.

Dimensions: AMD 204 mm length, 115 mm height; NVIDIA 267 mm length, 111 mm height. Both are dual-slot.

Release dates: AMD February 6, 2025; NVIDIA November 15, 2023.

Head-to-Head Benchmarks

The database records a single head-to-head benchmark between the AMD Radeon RX 7650 GRE and the NVIDIA L20: Geekbench OpenCL. The L20 scores 274,276, while the AMD card scores 83,109. The delta is -69.7% from the AMD card's perspective, meaning the L20 outperforms it by nearly 3.3 times in this test.

This result aligns with the broader average benchmark scores. The L20's average of 251,147 is roughly 5.9 times the AMD card's 42,723. The L20's percentile rank of 99 versus 83 for the AMD card further confirms the gap.

The L20's nearest rivals in the database provide context for its performance. It sits 11.6% ahead of the NVIDIA PG506-232, 14.2% ahead of the AMD Radeon PRO W7900D, 11.6% behind the NVIDIA L40, and 12.6% behind the NVIDIA RTX 6000 Ada Generation. The AMD Radeon RX 7650 GRE, by comparison, sits within 1.3% of the NVIDIA GeForce RTX 4070 SUPER, NVIDIA Quadro M6000 24 GB, NVIDIA GeForce RTX 5050 Mobile, and NVIDIA Quadro M6000. Its delta to all four rivals is negative, ranging from -1.2% to -1.3%.

The Geekbench OpenCL result is the sole direct comparison, but the average score gap and percentile difference tell the same story. The L20 occupies a performance tier far above the RX 7650 GRE, with the AMD card clustering near mid-range desktop GPUs while the L20 competes with workstation and server-class parts.

The Verdict

The benchmark data points to a decisive performance hierarchy. The NVIDIA L20 wins the only head-to-head test by 69.7%, holds a 99th percentile ranking versus 83rd, and delivers an average score of 251,147 against 42,723. Any workload that relies on OpenCL compute, large memory buffers, or tensor operations belongs to the L20. Its 48 GB capacity, 864.0 GB/s bandwidth, and 368 tensor cores are the relevant specifications for that role.

The AMD Radeon RX 7650 GRE has no wins in the recorded benchmarks. Its role in the database is defined by its efficiency and connectivity profile rather than performance. The 170 W TDP, 450 W suggested power supply, and DisplayPort 2.1 outputs make it a lower-power option with modern display support. Its release date of February 2025 makes it the newer product, but the L20's November 2023 launch has not prevented it from maintaining a large performance lead.

For a system builder choosing between these two, the decision hinges on the workload. Compute-heavy tasks, large-scale rendering, or AI inference point to the NVIDIA L20. A build that prioritizes lower power draw, smaller physical footprint, and current display connectivity could consider the AMD card, but the recorded data shows no performance scenario where it comes out ahead. The L20 also carries a 16-pin connector and requires a 600 W power supply, which adds system requirements, but the performance gap justifies those demands for compute applications. The AMD card, with its 8 GB memory and 128-bit bus, is better suited to lighter workloads where its efficiency and display outputs matter more than raw throughput.