NVIDIA GeForce GTX 465 vs NVIDIA GeForce GTX 780M Comparison

Head-to-Head Benchmarks

The only directly comparable measurement in the database is the Geekbench OpenCL test, and it delivers a decisive result. The NVIDIA GeForce GTX 780M scores 12,769 points, while the NVIDIA GeForce GTX 465 manages 9,294 points. That is a 37.4% advantage for the 780M, a substantial gap that places the two cards in different performance tiers despite their shared manufacturer and similar naming conventions.

Looking at the broader database context, the GTX 780M's average benchmark score is 11,261, which places it in the 50th percentile of all GPUs. Its nearest rivals include the AMD Radeon Pro WX 3200 at 11,228 points (a mere 0.3% difference) and the AMD FirePro W4300 at 11,225 points (also 0.3% behind). Interestingly, two high-end Blackwell workstation parts, the NVIDIA RTX PRO 6000 Blackwell Max-Q and the RTX PRO 6000D Blackwell Max-Q, sit just 1.6% behind the 780M at 11,088 points each. This clustering suggests that the 780M's compute performance is competitive even against much newer professional hardware, at least in the synthetic workloads captured here.

The GTX 465, by contrast, has an average benchmark score of 9,294, landing in the 46th percentile of all GPUs. Its nearest rivals include the NVIDIA GeForce GTX 850M at 9,302 points (0.1% ahead), the AMD Radeon R7 M380 at 9,313 points (0.2% ahead), and the NVIDIA GeForce GTX 960 at 9,273 points (0.2% behind). The spread among these four is exceptionally tight, with less than 1% separating the fastest from the slowest. This indicates that the GTX 4650 sits right at the edge of its performance class, neither clearly ahead nor behind its immediate peers.

In the head-to-head matchup, the 780M wins the only shared benchmark. The 37.4% delta is not a marginal difference; it is a decisive generational leap. For perspective, the 780M scores roughly 1.37 times higher than the 465 with the same API workload. The recorded data shows no benchmark where the older card closes that gap, and the 780M leads in wins by a count of 1 to 0.

Architecture Differences

The architectural divide between these two NVIDIA parts is wide, spanning two completely distinct designs. The GeForce GTX 780M uses the GK104 chip built on the Kepler architecture, fabricated on a 28 nm process at TSMC. The GeForce GTX 465 uses the GF100 chip on the older Fermi architecture, also from TSMC but on a 40 nm process. This node shrink alone explains much of the efficiency and density gulf between them.

Transistor counts tell an interesting story. The GK104 packs 3,540 million transistors, while the GF100 has 3,100 million. That is a modest 14% increase in raw transistor count for the 780M. However, the die sizes tell a different tale: the GK104 measures 294 mm², while the GF100 stretches to 529 mm². The result is a transistor density of 12.0 million transistors per square millimeter for the 780M versus just 5.9 million for the GTX 465. The Kepler chip packs roughly twice the density per area, a direct consequence of the 28 nm vs 40 nm manufacturing processes.

The compute resources differ dramatically. The 780M features 1,536 shading units, 128 texture mapping units, and 32 ROPs. The GTX 465, by contrast, has 352 shading units, 44 TMUs, and 32 ROPs. The shading unit advantage is roughly 4.4x for the 780M, while the texture unit advantage is approximately 2.9x. Both cards share the same 32 ROP count, meaning pixel output capability is structurally different only through clock speeds.

Clock behavior also diverges. The 780M operates with a base clock of 771 MHz and a boost clock of 797 MHz. The GTX 465 has no recorded base or boost clock values in the database, which makes direct frequency comparison impossible. However, the 780M's effective memory speed is 5 Gbps versus 3.2 Gbps for the GTX 465, and the memory bus widths are identical at 256 bits.

The memory subsystems diverge in capacity: the 780M carries 4 GB of GDDR5, while the GTX 465 has only 1 GB of GDDR5. Bandwidth follows suit, with the 780M delivering 160.0 GB/s versus 102.7 GB/s for the GTX 465. The 780M offers 56% more memory bandwidth on the same bus width, purely from faster memory clocks.

Compute throughput figures amplify the architectural gap. The 780M delivers 2.448 TFLOPS of FP32 performance and a texture rate of 102.0 GTexel/s. The GTX 465 manages 855.4 GFLOPS of FP32 and 26.75 GTexel/s. The 780M is roughly 2.9x faster in FP32 and about 3.8x faster in texture fill. Pixel rates are 25.50 GPixel/s for the 780M versus 13.38 GPixel/s for the GTX 465, a 1.9x difference.

The GTX 465 supports Vulkan, the 780M lists Vulkan 1.2.175, while the GTX 465 has no Vulkan entry in the database. Both support DirectX 12 (11_0) and OpenGL 4.6. The API compatibility is otherwise aligned.

The Verdict

The recorded data points to a clear winner for most use cases. The GTX 780M outperforms the GTX 465 by 37.4% in the only shared benchmark, with a 2.9x advantage in FP32 compute and a 3.8x advantage in texture throughput. Its average benchmark score of 11,261 versus 9,294 places it 21% higher, and it ranks in the 50th percentile of all GPUs versus the 465's 46th percentile.

The GTX 465 does retain some relevance. Its 32 ROPs match the 780M, and its memory bus width is identical at 256 bits. The GTX 465 is a dual-slot card with 2x 6-pin power connectors, while the 780M is an MXM module with no power connectors. That form factor difference is fundamental: the 780M is designed for portability, the GTX 465 for desktop towers.

Pick the GTX 780M if you need maximum compute throughput, higher memory capacity (4 GB versus 1 GB), and better bandwidth in a compact mobile form factor. The data shows it is faster in every measurable category except for the equal ROP count. It also has a higher transistor density, indicating better manufacturing efficiency.

Pick the GTX 465 if you have a system that only supports PCIe 2.0 x16 desktop cards and requires a dual-slot layout with external power. The GTX 465's launch MSRP is 279 USD, though that figure remains unchanged from its initial release. Its performance is clustered within 0.8% of several rivals, meaning that if you already own one, the upgrade path is clear.

Specification Differences

The following fields differ between the two GPUs:

• Process Node: 28 nm (780M) vs 40 nm (465)
• Foundry: TSMC (both, but different nodes)
• Transistors: 3,540 million vs 3,100 million
• Die Size: 294 mm² vs 529 mm²
• Transistor Density: 12.0M / mm² vs 5.9M / mm²
• Base Clock: 771 MHz vs N/A
• Boost Clock: 797 MHz vs N/A
• Memory Clock: 1250 MHz (5 Gbps effective) vs 802 MHz (3.2 Gbps effective)
• Memory Size: 4 GB vs 1 GB
• Memory Bandwidth: 160.0 GB/s vs 102.7 GB/s
• Shading Units: 1,536 vs 352
• Texture Mapping Units: 128 vs 44
• Pixel Rate: 25.50 GPixel/s vs 13.38 GPixel/s
• Texture Rate: 102.0 GTexel/s vs 26.75 GTexel/s
• FP32 Performance: 2.448 TFLOPS vs 855.4 GFLOPS
• TDP: 122 W vs 200 W
• Slot Width: MXM Module vs Dual-slot
• Power Connectors: None vs 2x 6-pin
• PSU Requirement: N/A vs 550 W
• Bus Interface: MXM-B (3.0) vs PCIe 2.0 x16
• Display Outputs: Portable Device Dependent vs 2x DVI, 1x mini-HDMI 1.3a
• Vulkan API: 1.2.175 vs N/A
• Release Date: 2013-05-10 vs 2010-05-30
• Predecessor: GeForce 600M vs GeForce 200
• Successor: GeForce 800M vs GeForce 500
• Launch MSRP: N/A vs 279 USD

FAQ

Q: How much faster is the GTX 780M in the only shared benchmark?

A: The GTX 780M scores 12,769 in Geekbench OpenCL, while the GTX 465 scores 9,294, giving the 780M a 37.4% advantage.

Q: Which GPU has more shading units?

A: The GTX 780M has 1,536 shading units, while the GTX 465 has 352 shading units.

Q: What is the memory capacity difference between the two?

A: The GTX 780M has 4 GB of GDDR5, while the GTX 465 has 1 GB of GDDR5. Both use a 256-bit memory bus.

Q: Which GPU has a higher transistor density?

A: The GTX 780M has 12.0 million transistors per mm², compared to 5.9 million per mm² for the GTX 465.

Q: What are the power requirements for the GTX 465?

A: The GTX 465 has a TDP of 200 W and requires a 550 W suggested power supply, with 2x 6-pin power connectors.

Q: Does the GTX 465 support Vulkan?

A: The database lists no Vulkan support for the GTX 465, while the GTX 780M lists Vulkan version 1.2.175.