AMD Radeon RX 550X vs NVIDIA TITAN V CEO Edition Comparison

The AMD Radeon RX 550X and the NVIDIA TITAN V CEO Edition occupy opposite ends of the GPU spectrum, yet the recorded database metrics place them closer together in aggregate benchmark standing than their silicon would suggest. The RX 550X is a compact Polaris-derived part built on the Lexa chip, while the TITAN V CEO Edition is a Volta flagship derived from the GV100 die with tensor hardware and a vast HBM2 memory subsystem. Both are end-of-life products, both draw power through dual-slot cooling, and both carry average benchmark scores that land them within a few points of their respective nearest rivals. This analysis breaks down where each card's strengths lie, how their architectures diverge, and what the measured numbers say about choosing between them.

Where Each One Wins

The case for the RX 550X is built on efficiency and integration simplicity. Its thermal design power is 50 W against the TITAN's 250 W, and it requires no auxiliary power connectors at all, whereas the TITAN V CEO Edition needs one 6-pin and one 8-pin connector and a suggested power supply of 600 W versus 250 W for the RX 550X. That makes the RX 550X the only one of the two that can drop into systems with no PCIe power delivery, a genuine practical advantage for slim or office-class builds. Its board is also far shorter at 145 mm (5.7 inches) against the TITAN's 267 mm (10.5 inches), and it offers a DVI output alongside HDMI 2.0b and DisplayPort 1.4a, where the TITAN drops DVI entirely in favor of one HDMI 2.0 and three DisplayPort 1.4a connectors.

The TITAN V CEO Edition wins everywhere raw capability matters. Its FP32 throughput is 14.90 TFLOPS against the RX 550X's 1,211.4 GFLOPS, its pixel fill rate is 186.2 GPixel/s against 18.93 GPixel/s, and its texture rate is 465.6 GTexel/s against 37.86 GTexel/s. In memory capacity the gap is just as stark: 32 GB of HBM2 with 868.4 GB/s of bandwidth versus 4 GB of GDDR5 at 96.00 GB/s. Workloads that fit in 4 GB and tolerate modest throughput favor the RX 550X's packaging; everything else belongs to the TITAN.

Architecture Differences

The two cards come from fundamentally different design philosophies. The RX 550X uses the Lexa chip on GCN 4.0 architecture, part of the Polaris (RX 500X) generation, manufactured by GlobalFoundries on a 14 nm process. It packs 2,200 million transistors into a 103 mm² die, yielding a density of 21.4M transistors per mm². Its compute resources consist of 512 shading units, 32 texture mapping units, and 16 render output units, with no ray tracing cores and no tensor cores. Half-precision runs at 1:1 with FP32, both at 1,211.4 GFLOPS.

The TITAN V CEO Edition is built on the GV100 chip, Volta architecture, classified under the GeForce 10 generation in the database, and manufactured by TSMC on a 12 nm process. Its die measures 815 mm² and contains 21,100 million transistors at a density of 25.9M per mm², roughly 3.2 times the transistors per area and nearly ten times the total transistor count of the Lexa part. Shading units number 5120, ten times the RX 550X's count, alongside 320 TMUs and 128 ROPs. Crucially, it includes 640 tensor cores, dedicated matrix hardware the RX 550X lacks entirely, and its FP16 throughput runs at 29.80 TFLOPS with a 2:1 ratio over FP32, a doubled rate that suits mixed-precision compute. The RX 550X's FP16 rate matches its FP32 rate exactly.

Memory subsystems diverge just as sharply. The RX 550X uses a 128-bit GDDR5 bus with memory clocked at 1500 MHz (6 Gbps effective), producing 96.00 GB/s of bandwidth. The TITAN uses HBM2 on a 4096-bit bus at 848 MHz (1696 Mbps effective), delivering 868.4 GB/s. Both connect over PCIe 3.0, but the RX 550X is limited to x8 lanes while the TITAN uses the full x16 interface. API support is close, with the TITAN holding a slight edge: DirectX 12 (12_1) and Vulkan 1.4 versus DirectX 12 (12_0) and Vulkan 1.3 on the RX 550X, and identical OpenGL 4.6 on both.

Clocks also differ in character. The RX 550X runs a tight 1100 MHz base to 1183 MHz boost, while the TITAN spans 1200 MHz base to 1455 MHz boost, a wider ramp that its larger cooling envelope accommodates.

Head-to-Head Benchmarks

Direct head-to-head test results are not recorded for this pairing in the database, so the comparison must be assembled from each card's individual measurements and their standing against the full GPU population. The RX 550X posts 9662 in Geekbench OpenCL and 11299 in Geekbench Vulkan, for an average benchmark score of 10481 and a percentile ranking of 49 against all GPUs in the database. That places it almost exactly at the median GPU, and its nearest rivals confirm how tightly clustered its performance band is: the NVIDIA Tesla C2075 averages 10400 (a delta of 0.8 percent), the AMD Radeon R9 M275X averages 10582 (delta of -1 percent), the AMD Radeon RX 6500M averages 10362 (delta of 1.2 percent), and the AMD Radeon RX 6600S averages 10629 (delta of -1.4 percent). All four sit within about one and a half percent of the RX 550X's average.

The TITAN V CEO Edition records 1086 in PassMark G2D (Graphics 2D) and 16988 in PassMark G3D (Graphics 3D), averaging 9037 overall with a percentile ranking of 45 against all GPUs. Its nearest rivals are similarly compressed: the NVIDIA GeForce GTX 660 at 9022 (delta of 0.2 percent), the NVIDIA GeForce GTX 560 at 9058 (delta of -0.2 percent), the AMD Radeon 550X at 8918 (delta of 1.3 percent), and the AMD Radeon 890M at 9210 (delta of -1.9 percent).

Interpreting these numbers requires care because the two cards were measured on different test suites. The TITAN's 16988 G3D result is its strongest single figure and represents 3D graphics throughput on the PassMark suite, while the RX 550X's Vulkan result of 11299 is its high-water mark on Geekbench's compute-oriented tests. What the averages say unambiguously is that on this database's composite scale the RX 550X edges ahead: 10481 versus 9037, a gap of about 16 percent, and a percentile placement four points higher. That outcome reflects the composition of the recorded tests rather than any real-world superiority of a 512-unit Polaris part over a 5120-unit Volta flagship, and buyers should weigh the raw hardware numbers accordingly. In throughput terms the TITAN holds roughly a twelvefold FP32 advantage (14.90 TFLOPS versus 1.2114 TFLOPS), a nearly tenfold pixel fill advantage (186.2 versus 18.93 GPixel/s), and a ninefold memory bandwidth advantage (868.4 versus 96.00 GB/s).

The Verdict

The data supports a clean split. Choose the RX 550X when the constraints are physical and electrical: no auxiliary power connectors, a 50 W envelope, a 250 W suggested supply, a 145 mm board length, and a DVI output for legacy displays. Its average score of 10481 and median-adjacent percentile of 49 indicate competence for general compute and graphics work at modest settings, and its 4 GB of GDDR5 suits lightweight or older titles.

Choose the TITAN V CEO Edition when the work is heavy: 32 GB of HBM2 at 868.4 GB/s, 5120 shading units, 640 tensor cores, and doubled FP16 throughput make it the only one of the two suitable for large-dataset compute, mixed-precision workloads, and high-resolution rendering. The cost of that capability is a 250 W TDP, dual power connectors, a 600 W suggested supply, a 267 mm board, and a percentile ranking of 45 on this database's composite scale, dragged down by test mix. Both cards are end-of-life, so availability rather than specification may be the deciding factor in practice.

FAQ

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

A: The RX 550X, at 10481 versus 9037 for the TITAN V CEO Edition, roughly a 16 percent gap. The two were measured on different test suites, so the composite should be read alongside the raw hardware figures.

Q: How much more memory does the TITAN V CEO Edition have?

A: 32 GB of HBM2 versus 4 GB of GDDR5, an eightfold capacity advantage, delivered over a 4096-bit bus at 868.4 GB/s compared with the RX 550X's 128-bit bus at 96.00 GB/s.

Q: Does either card need auxiliary power connectors?

A: The RX 550X requires none and runs within a 50 W TDP on a 250 W suggested supply. The TITAN needs one 6-pin and one 8-pin connector, carries a 250 W TDP, and calls for a 600 W supply.

Q: Do either of these cards support ray tracing hardware?

A: No. Neither the RX 550X nor the TITAN V CEO Edition lists ray tracing cores. The TITAN does include 640 tensor cores, which the RX 550X lacks.

Q: Which card is smaller?

A: The RX 550X, at 145 mm (5.7 inches) long in a dual-slot form factor. The TITAN measures 267 mm long, 112 mm high, and 40 mm wide, also dual-slot.

Q: Are both cards still in production?

A: No, both are listed as end-of-life. The TITAN V CEO Edition was released first, in June 2018, with the RX 550X following in December 2018.