Kunlunxin R200
Overview
The Kunlunxin R200 is the 16 GB member of the company's second-generation XPU-R accelerator line, a full-height full-length dual-slot PCIe Gen4 x16 card built on 7nm. It delivers 256 TOPS of INT8, 128 TOPS of INT16, 128 TFLOPS of FP16 and 32 TFLOPS of FP32, with 16 GB of GDDR6 at 512 GB/s, ECC, passive cooling and a 150 W board power. Kunlunxin positions it for both inference and training, and the card carries substantial video capability alongside its tensor work: 108 streams of 1080p30 decode and 27 streams of 1080p30 encode. Kunlunxin labels none of these figures dense or sparse and publishes no sparse rate. Note that Kunlunxin's separate second-generation chip page lists INT32 at 128 TOPS but omits the floating-point rates entirely, while this card page omits INT32; only the card page's own table is recorded here.
Performance Metrics
Peak theoretical throughput by precision type
| Precision | Bits | Peak TFLOPS | Efficiency |
|---|---|---|---|
| INT16 | -- | 128.0 | 0.853 TFLOPS/W |
| INT8 | 8 | 256.0 | 1.707 TFLOPS/W |
| FP16 | 16 | 128.0 | 0.853 TFLOPS/W |
| FP32 | 32 | 32.0 | 0.213 TFLOPS/W |
Power Specifications
TDP
150 W
Max Power
173 W
Power Connector
PCIe Slot
Cooling
Passive
Memory Specifications
Capacity
16 GB
Type
GDDR6
Bandwidth
512 GB/s
Interface
--
Hardware & Design
Form Factor
PCIe
Architecture
XPU-R
Process Node
7nm
Launch Year
--
Variant
Standard
Market Segment
Professional
Full Specifications
| Memory | |
|---|---|
| VRAM | 16 GB |
| Memory Type | GDDR6 |
| Bandwidth | 512 GB/s |
| Interconnect & I/O | |
| PCIe | 4.0 x16 |
| Power & Thermal | |
| TDP | 150 W |
| Cooling | Passive |
| Enterprise Features | |
| ECC Memory | Yes |
| General | |
| Form Factor | PCIe |
| Architecture | XPU-R |
Documentation & Resources
Common Use Cases
The Kunlunxin R200 is optimized for high-performance computing tasks with XPU-R architecture delivering 32 TFLOPS of compute power.
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