Radeon Pro W6400 vs GeForce GT 640 OEM
Aggregate performance score
We've compared GeForce GT 640 OEM with Radeon Pro W6400, including specs and performance data.
Pro W6400 outperforms 640 OEM by a whopping 1199% 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 | 1002 | 307 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.38 | 30.95 |
| Architecture | Kepler (2012−2018) | RDNA 2.0 (2020−2025) |
| GPU code name | GK107 | Navi 24 |
| Market segment | Desktop | Workstation |
| Release date | 24 April 2012 (13 years ago) | 19 January 2022 (3 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 | 384 | 768 |
| Core clock speed | 797 MHz | 2331 MHz |
| Boost clock speed | no data | 2331 MHz |
| Number of transistors | 1,270 million | 5,400 million |
| Manufacturing process technology | 28 nm | 6 nm |
| Power consumption (TDP) | 50 Watt | 50 Watt |
| Texture fill rate | 25.50 | 111.9 |
| Floating-point processing power | 0.6121 TFLOPS | 3.58 TFLOPS |
| ROPs | 16 | 32 |
| TMUs | 32 | 48 |
| Ray Tracing Cores | no data | 12 |
| L0 Cache | no data | 192 KB |
| L1 Cache | 32 KB | 256 KB |
| L2 Cache | 256 KB | 1024 KB |
| L3 Cache | no data | 8 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 | PCIe 3.0 x16 | PCIe 4.0 x4 |
| Length | 145 mm | no data |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | None | None |
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 | DDR3 | GDDR6 |
| Maximum RAM amount | 2 GB | 4 GB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 891 MHz | 1750 MHz |
| Memory bandwidth | 28.51 GB/s | 112.0 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 | 1x DVI, 1x HDMI, 1x DisplayPort | 2x DisplayPort 1.4a |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.6 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.2 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.0 | - |
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 | 1.55 | 20.14 |
| Recency | 24 April 2012 | 19 January 2022 |
| Maximum RAM amount | 2 GB | 4 GB |
| Chip lithography | 28 nm | 6 nm |
Pro W6400 has a 1199.4% higher aggregate performance score, an age advantage of 9 years, a 100% higher maximum VRAM amount, and a 366.7% more advanced lithography process.
The Radeon Pro W6400 is our recommended choice as it beats the GeForce GT 640 OEM in performance tests.
Be aware that GeForce GT 640 OEM is a desktop graphics card while Radeon Pro W6400 is a workstation one.
Other comparisons
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