Radeon RX 7650 GRE vs HD 6450
Aggregate performance score
We've compared Radeon HD 6450 and Radeon RX 7650 GRE, covering specs and all relevant benchmarks.
RX 7650 GRE outperforms HD 6450 by a whopping 7934% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1285 | 134 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 77.75 |
| Power efficiency | 1.99 | 17.44 |
| Architecture | TeraScale 2 (2009−2015) | RDNA 3.0 (2022−2025) |
| GPU code name | Caicos | Navi 33 |
| Market segment | Desktop | Desktop |
| Design | reference | no data |
| Release date | 7 April 2011 (14 years ago) | February 2025 (recently) |
| Launch price (MSRP) | $55 | $279 |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
HD 6450 and RX 7650 GRE have a nearly equal value for money.
Performance to price scatter graph
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 160 | 2048 |
| Core clock speed | no data | 1720 MHz |
| Boost clock speed | 750 MHz | 2695 MHz |
| Number of transistors | 370 million | 13,300 million |
| Manufacturing process technology | 40 nm | 6 nm |
| Power consumption (TDP) | 30 Watt | 165 Watt |
| Texture fill rate | 5.000 | 345.0 |
| Floating-point processing power | 0.2 TFLOPS | 22.08 TFLOPS |
| ROPs | 4 | 64 |
| TMUs | 8 | 128 |
| Ray Tracing Cores | no data | 32 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | PCIe 2.0 x8 | no data |
| Interface | PCIe 2.0 x16 | PCIe 4.0 x8 |
| Length | 168 mm | 204 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 1x 8-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | GDDR6 |
| Maximum RAM amount | 1 GB | 8 GB |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 800 MHz | 2250 MHz |
| Memory bandwidth | 25.6 GB/s | 288.0 GB/s |
| Memory bandwidth | 8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5) | no data |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| Eyefinity | + | - |
| Number of Eyefinity displays | 4 | no data |
| HDMI | + | + |
| DisplayPort support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 Ultimate (12_2) |
| Shader Model | 5.0 | 6.8 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.2 |
| Vulkan | - | 1.3 |
Synthetic benchmark performance
Non-gaming benchmark results comparison. 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.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 0.47 | 37.76 |
| Maximum RAM amount | 1 GB | 8 GB |
| Chip lithography | 40 nm | 6 nm |
| Power consumption (TDP) | 30 Watt | 165 Watt |
HD 6450 has 450% lower power consumption.
RX 7650 GRE, on the other hand, has a 7934% higher aggregate performance score, a 700% higher maximum VRAM amount, and a 566.7% more advanced lithography process.
The Radeon RX 7650 GRE is our recommended choice as it beats the Radeon HD 6450 in performance tests.
Other comparisons
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