Radeon Pro W6800X vs HD 6950
Aggregate performance score
We've compared Radeon HD 6950 with Radeon Pro W6800X, including specs and performance data.
Pro W6800X outperforms HD 6950 by a whopping 541% 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 | 630 | 121 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.96 | 7.02 |
| Power efficiency | 2.39 | 15.30 |
| Architecture | TeraScale 3 (2010−2013) | RDNA 2.0 (2020−2025) |
| GPU code name | Cayman | Navi 21 |
| Market segment | Desktop | Workstation |
| Design | reference | no data |
| Release date | 14 December 2010 (15 years ago) | 3 August 2021 (4 years ago) |
| Launch price (MSRP) | $299 | $2,799 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Pro W6800X has 631% better value for money than HD 6950.
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 | 1408 | 3840 |
| Core clock speed | no data | 1800 MHz |
| Boost clock speed | 800 MHz | 2087 MHz |
| Number of transistors | 2,640 million | 26,800 million |
| Manufacturing process technology | 40 nm | 7 nm |
| Power consumption (TDP) | 500 Watt | 200 Watt |
| Texture fill rate | 70.40 | 500.9 |
| Floating-point processing power | 2.253 TFLOPS | 16.03 TFLOPS |
| ROPs | 32 | 96 |
| TMUs | 88 | 240 |
| Ray Tracing Cores | no data | 60 |
| L0 Cache | no data | 960 KB |
| L1 Cache | 352 KB | 768 KB |
| L2 Cache | 512 KB | 4 MB |
| L3 Cache | no data | 128 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).
| Bus support | PCIe 2.0 x16 | no data |
| Interface | PCIe 2.0 x16 | Apple MPX |
| Length | 267 mm | 267 mm |
| Width | 2-slot | Quad-slot |
| Supplementary power connectors | 2x 6-pin | Apple MPX |
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 | 2 GB | 32 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1250 MHz | 2000 MHz |
| Memory bandwidth | no data | 512.0 GB/s |
| 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 | 2x DVI, 1x HDMI, 2x mini-DisplayPort | 1x HDMI 2.1, 4x Thunderbolt |
| Eyefinity | + | - |
| HDMI | + | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 Ultimate (12_2) |
| Shader Model | 5.0 | 6.7 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | - | 1.3 |
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 | 6.20 | 39.74 |
| Recency | 14 December 2010 | 3 August 2021 |
| Maximum RAM amount | 2 GB | 32 GB |
| Chip lithography | 40 nm | 7 nm |
| Power consumption (TDP) | 500 Watt | 200 Watt |
Pro W6800X has a 541% higher aggregate performance score, an age advantage of 10 years, a 1500% higher maximum VRAM amount, a 471% more advanced lithography process, and 150% lower power consumption.
The Radeon Pro W6800X is our recommended choice as it beats the Radeon HD 6950 in performance tests.
Be aware that Radeon HD 6950 is a desktop graphics card while Radeon Pro W6800X is a workstation one.
Other comparisons
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