Radeon HD 4650: specs and benchmarks
Aggregate performance score
Radeon HD 4650 provides poor gaming and benchmark performance at 0.57% of a leader's which is GeForce RTX 5090 D.
Contents
Summary
ATI started Radeon HD 4650 sales 10 September 2008. This is a TeraScale architecture desktop card based on 55 nm manufacturing process and primarily aimed at office use. 256 MB of GDDR3 memory clocked at 0.7 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 22.4 GB/s.
Compatibility-wise, this is a single-slot graphics card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 193 mm. No additional power connector is required, and power consumption is at 48 Watt.
Primary details
Some basic facts about Radeon HD 4650: architecture, market segment, release date etc.
| Place in the ranking | 1238 | |
| Place by popularity | not in top-100 | |
| Power efficiency | 0.93 | of 100.00 (Radeon 890M) |
| Architecture | TeraScale (2005−2013) | |
| GPU code name | RV730 | |
| Market segment | Desktop | |
| Release date | 10 September 2008 (16 years ago) |
Detailed specifications
Radeon HD 4650's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 4650's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 320 | of 24064 (RTX PRO 6000 Blackwell) |
| Core clock speed | 600 MHz | of 2670 MHz (Arc B580) |
| Number of transistors | 514 million | of 185,000 million (Radeon Instinct MI350X) |
| Manufacturing process technology | 55 nm | of 3 nm (Arc Graphics 140V) |
| Power consumption (TDP) | 48 Watt | of 2400 Watt (Data Center GPU Max Subsystem) |
| Texture fill rate | 19.20 | of 2,554 (Radeon Instinct MI300X) |
| Floating-point processing power | 0.384 TFLOPS | of 126 (RTX PRO 6000 Blackwell) |
| ROPs | 8 | of 512 (Moore Threads MTT S4000) |
| TMUs | 32 | of 1280 (Data Center GPU Max NEXT) |
Form factor & compatibility
This section provides details about the physical dimensions of Radeon HD 4650 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 2.0 x16 | |
| Length | 193 mm | |
| Width | 1-slot |
VRAM capacity and type
Parameters of memory installed on Radeon HD 4650: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | GDDR3 | |
| Maximum RAM amount | 256 MB | of 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 128 Bit | of 8192 Bit (Radeon Instinct MI250X) |
| Memory clock speed | 700 MHz | of 16000 GB/s (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 22.4 GB/s | of 5,171 GB/s (Radeon Instinct MI300X) |
Connectivity and outputs
Types and number of video connectors present on Radeon HD 4650. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 2x DVI, 1x S-Video |
API and SDK compatibility
APIs supported by Radeon HD 4650, sometimes including their particular versions.
| DirectX | 10.1 (10_1) | |
| Shader Model | 4.1 | |
| OpenGL | 3.3 | of 4.6 (GeForce RTX 5090 D) |
| OpenCL | 1.1 | |
| Vulkan | N/A |
Benchmark performance
Synthetic benchmark performance of Radeon HD 4650. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Send your test results of Radeon HD 4650.
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Radeon HD 4650 is GeForce 7800 GT, which is nearly equal in speed and lower by 4 positions in our ranking.
Here are some closest NVIDIA rivals to Radeon HD 4650:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Radeon HD 4650 according to our statistics.
