Radeon HD 7650A vs GRID K2
Aggregate performance score
We've compared GRID K2 with Radeon HD 7650A, including specs and performance data.
K2 outperforms HD 7650A by a whopping 392% 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 | 617 | 1063 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | 0.05 |
| Power efficiency | 2.24 | 3.10 |
| Architecture | Kepler (2012−2018) | TeraScale 2 (2009−2015) |
| GPU code name | GK104 | Onega |
| Market segment | Workstation | Laptop |
| Release date | 11 May 2013 (13 years ago) | 5 January 2012 (14 years ago) |
| Launch price (MSRP) | $5,199 | $262 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
GRID K2 has 20% better value for money than HD 7650A.
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 | 1536 ×2 | 480 |
| Core clock speed | 745 MHz | 600 MHz |
| Number of transistors | 3,540 million | 716 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 225 Watt | 33 Watt |
| Texture fill rate | 95.36 ×2 | 14.40 |
| Floating-point processing power | 2.289 TFLOPS ×2 | 0.576 TFLOPS |
| ROPs | 32 ×2 | 8 |
| TMUs | 128 ×2 | 24 |
| L1 Cache | 128 KB | 48 KB |
| L2 Cache | 512 KB | 256 KB |
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).
| Interface | PCIe 3.0 x16 | MXM-A (3.0) |
| Length | 267 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | no data |
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 | DDR3 |
| Maximum RAM amount | 4 GB ×2 | 1 GB |
| Memory bus width | 256 Bit ×2 | 128 Bit |
| Memory clock speed | 1250 MHz | 900 MHz |
| Memory bandwidth | 160.0 GB/s ×2 | 28.8 GB/s |
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 | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 6.5 (5.1) | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.2.175 | N/A |
| CUDA | 3.0 | - |
Synthetic benchmarks
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 | 6.54 | 1.33 |
| Recency | 11 May 2013 | 5 January 2012 |
| Maximum RAM amount | 4 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 225 Watt | 33 Watt |
GRID K2 has a 392% higher aggregate performance score, an age advantage of 1 year, a 300% higher maximum VRAM amount, and a 43% more advanced lithography process.
HD 7650A, on the other hand, has 582% lower power consumption.
The GRID K2 is our recommended choice as it beats the Radeon HD 7650A in performance tests.
Be aware that GRID K2 is a workstation graphics card while Radeon HD 7650A is a notebook one.
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