Radeon Pro V340 MxGPU vs HD 6990M Rebrand
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 598 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 1.75 |
| Architecture | TeraScale 2 (2009−2015) | GCN 5.0 (2017−2020) |
| GPU code name | Broadway | Vega 10 |
| Market segment | Laptop | Workstation |
| Release date | 12 July 2011 (14 years ago) | 26 August 2018 (7 years ago) |
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 | 800 | 3584 ×2 |
| Core clock speed | 800 MHz | 1000 MHz |
| Boost clock speed | no data | 1500 MHz |
| Number of transistors | 1,040 million | 12,500 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 300 Watt |
| Texture fill rate | 32.00 | 336.0 ×2 |
| Floating-point processing power | 1.28 TFLOPS | 10.75 TFLOPS ×2 |
| ROPs | 16 | 64 ×2 |
| TMUs | 40 | 224 ×2 |
| L1 Cache | 112 KB | 896 KB |
| L2 Cache | 256 KB | 4 MB |
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 | MXM-B (3.0) | PCIe 3.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 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 | HBM2 |
| Maximum RAM amount | 1 GB | 16 GB ×2 |
| Memory bus width | 128 Bit | 2048 Bit ×2 |
| Memory clock speed | 1100 MHz | 1000 MHz |
| Memory bandwidth | 70.4 GB/s | 512.0 GB/s ×2 |
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 | 11.2 (11_0) | 12 (12_1) |
| Shader Model | 5.0 | 6.4 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | 1.1.125 |
Pros & cons summary
| Recency | 12 July 2011 | 26 August 2018 |
| Maximum RAM amount | 1 GB | 16 GB |
| Chip lithography | 40 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 300 Watt |
HD 6990M Rebrand has 200% lower power consumption.
Pro V340 MxGPU, on the other hand, has an age advantage of 7 years, a 1500% higher maximum VRAM amount, and a 186% more advanced lithography process.
We couldn't decide between Radeon HD 6990M Rebrand and Radeon Pro V340 MxGPU. We've got no test results to judge.
Be aware that Radeon HD 6990M Rebrand is a notebook graphics card while Radeon Pro V340 MxGPU is a workstation one.
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