AMD Ryzen Threadripper 3990X vs AMD Phenom II X4 820
We do not have any performance data for the Ryzen Threadripper 3990X and the Phenom II X4 820 for the 3DMark 11 Performance Physics benchmark.
We do not have any performance per dollar data for the Ryzen Threadripper 3990X and the Phenom II X4 820 for the 3DMark 11 Performance Physics benchmark.
Summary
About the AMD Ryzen Threadripper 3990X CPU
The AMD Ryzen Threadripper 3990X is a 64-core (128-thread) processor built for the desktop CPU market. It launched in Q1 2020 with a suggested retail price of $3,990. It is part of AMD's Ryzen Threadripper lineup, which is based on the Zen 2 microarchitecture. The Threadripper 3990X is compatible with AMD Socket TRX4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.
Memory and Cache
The Ryzen Threadripper 3990X supports DDR4 memory and features a quad-channel memory controller, allowing it to utilize 4 memory modules simultaneously. In terms of cache, the Ryzen Threadripper 3990X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 256 MB.
Cores and Clock Speeds
The Ryzen Threadripper 3990X features 64 total cores which can process 128 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 2.9 GHz, and it can boost up to 4.3 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Ryzen Threadripper 3990X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.
About the AMD Phenom II X4 820 CPU
The AMD Phenom II X4 820 is an end-of-life 4-core (4-thread) processor built for the desktop CPU market. It launched in Q3 2009. It is part of AMD's Phenom II X4 lineup, which is based on the Deneb microarchitecture. The X4 820 is compatible with AMD Socket AM3 motherboards and is fabricated on GlobalFoundries's 45 nm manufacturing process.
Memory and Cache
The Phenom II X4 820 supports DDR3 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Phenom II X4 820 has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 128 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 4 MB.
Cores and Clock Speeds
The Phenom II X4 820 features 4 total cores which can process 4 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 2.8 GHz. Higher clock speeds result in higher performance for the same microarchitecture. The multiplier is locked, making it incapable of overclocking for pushing performance further.
Integrated Graphics
The Phenom II X4 820 does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Series | Ryzen Threadripper | Phenom II X4 |
| Market Segment | Desktop | Desktop |
| Release Date | Q1 2020 | Q3 2009 |
| Launch Price (MSRP) | $3,990 | -- |
| Production Status | Active | End-of-life |
| Shop | Check Price | Check Price |
Benchmark Performance
We do not have any performance data for the Ryzen Threadripper 3990X and the Phenom II X4 820 for the 3DMark 11 Performance Physics benchmark.
We do not have any performance per dollar data for the Ryzen Threadripper 3990X and the Phenom II X4 820 for the 3DMark 11 Performance Physics benchmark.
Relative Performance
The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.
| CPU | Benchmark Performance | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance with other CPUs. | |||
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.
| CPU | Performance Per Dollar | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance per dollar with other CPUs. | |||
Benchmark Scores
This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.
- Popular
| Benchmark | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Geekbench 6.2 Multi-Core | 13,836 (+1,399.02%) | 923 |
| Geekbench 6.2 Single-Core | 1,612 (+413.38%) | 314 |
| CPU Mark Multi-Thread | 80,892 (+3,777.85%) | 2,086 |
| CPU Mark Single-Thread | 2,564 (+129.13%) | 1,119 |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 7 nm | 45 nm |
| Transistors | 30,400 million | 758 million |
Architecture
CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Series | Ryzen Threadripper | Phenom II X4 |
| Microarchitecture | Zen 2 | Deneb |
| Codename | Castle Peak | Deneb |
| Memory Support | DDR4 | DDR3 |
| Memory Channels | Quad-channel | Dual-channel |
| ECC Memory | No | Yes |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Cores | 64 | 4 |
| Threads | 128 | 4 |
| Clock Speed | 2.9 GHz | 2.8 GHz |
| Turbo Clock | 4.3 GHz | -- |
| Base Clock | 100 MHz | 200 MHz |
| Multiplier | 29.0x | 14.0x |
| Multiplier Unlocked | Yes | No |
Cache
CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| L1 Cache | 64 KB | 128 KB |
| L2 Cache | 512 KB | 512 KB |
| L3 Cache | 256 MB | 4 MB |
Compatibility & Power Consumption
Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Socket | AMD Socket TRX4 | AMD Socket AM3 |
| PCI Express | PCIe 4.0 x64 | PCIe 2.0 |
| Thermal Design Power (TDP) | 280 W | 95 W |
| Tcase Max | 95 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Ryzen Threadripper 3990X | Phenom II X4 820 |
|---|---|---|
| Integrated Graphics | -- | Motherboard Dependent |
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2 | MMX, 3DNow!, SSE, SSE2, SSE3, SSE4A, AMD64, NX bit, AMD-V, ABM |
* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.