AMD Radeon RX 7800 XT 16GB
Overview
The Radeon RX 7800 XT is the 60 compute unit Navi 32 card, and the cheapest 16 GB RDNA 3 board AMD shipped. It runs at up to 2430 MHz for 37.3 TFLOPS of FP32 vector and 74.6 TFLOPS of FP16 matrix through 120 AI accelerators, with 16 GB of GDDR6 on a 256-bit bus at 624 GB/s and 64 MB of Infinity Cache. Board power is 263 W over two 8-pin connectors in a 267 mm, 2.5-slot card. For local inference the 16 GB frame buffer is the reason to look at it, but note that RDNA 3 has no FP8 path and no structured sparsity, so its ceiling is the 74.6 TFLOPS FP16 matrix figure.
Performance
Peak theoretical throughput by precision type
| Precision | Peak |
|---|---|
FP64 | No verified data available |
FP32 32-bit floating point | 37TFLOPS |
TF32 | No verified data available |
BF16 | No verified data available |
FP16 16-bit floating point | 75TFLOPS |
FP8 | No verified data available |
FP6 | No verified data available |
FP4 | No verified data available |
INT8 8-bit integer | 75TOPS |
INT4 4-bit integer | 149TOPS |
Every figure here is dense. The vendor documents no structured (2:4) sparsity mode for this part, so there is no second number to quote.
Per watt divides the dense figure by the 263 W board power. Where only a sparse figure exists, the cell says so.
The Radeon RX 7800 XT 16GB in the GPU landscape
Peak FP16 TFLOPS (dense) against TDP, single-GPU parts tracked by Flopper
Higher and further left is better: more half-precision throughput for less power.
Specifications
Architecture
RDNA 3
Form Factor
PCIe
Launch Year
2023
Process Node
5nm
Memory
16 GB GDDR6
Bandwidth
624 GB/s
TDP
263 W
Max Power
263 W
Transistors
28.1 billion
Stream Processors
3,840
Spec Confidence
Official
Full Specifications
| Compute Engine | |
|---|---|
| Stream Processors | 3,840 |
| Tensor Cores | 120 (RDNA 3) |
| Compute Units | 60 |
| Boost Clock | 2.43 GHz |
| Chip Design | |
| Transistors | 28.1 billion |
| Process Node | 5nm |
| Memory | |
| VRAM | 16 GB |
| Memory Type | GDDR6 |
| Bandwidth | 624 GB/s |
| Interface Width | 256-bit |
| Memory Clock | 19.5 GT/s |
| Interconnect & I/O | |
| PCIe | Gen 4 x16 |
| Cache | |
| Infinity Cache | 64 MB |
| Power & Thermal | |
| TDP | 263 W |
| Max Board Power | 263 W |
| Power Connector | 2x8-Pin |
| Enterprise Features | |
| Sparsity | No |
| Physical & Media | |
| Card Length | 267 mm |
| Width | 2.5-slot |
| General | |
| Form Factor | PCIe |
| Architecture | RDNA 3 |
| Process Node | 5nm |
| Launch Year | 2023 |
Datasheet & Resources
Flopper Datasheet
AMD Radeon RX 7800 XT 16GB specifications, generated from our database. Printable.
Vendor product page
AMD documentation for the Radeon RX 7800 XT 16GB
AMD Radeon RX 7800 XT Product Specifications
AMD · 2023-08-25
AMD Instinct Documentation
ROCm guides, architecture details
Data Provenance
Every figure traced to a source
Primary Source
- Publisher
- AMD
- Published
- 2023-08-25
Data Quality
- Spec confidence
- Official
- Clock basis
- Boost
- Core precisions with figures
- 3 of 9
- Normalization
- All values in TFLOPS
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Frequently Asked Questions
How many TFLOPS does the AMD Radeon RX 7800 XT have?
The AMD Radeon RX 7800 XT delivers 37 TFLOPS FP32 and 75 TFLOPS FP16 at peak. Flopper does not currently have a verified FP8 throughput figure for it.
What is the power consumption of the AMD Radeon RX 7800 XT?
The AMD Radeon RX 7800 XT has a TDP (Thermal Design Power) rating of 263 watts.
How much memory does the AMD Radeon RX 7800 XT have?
The AMD Radeon RX 7800 XT is equipped with 16 GB of VRAM with 624 GB/s of memory bandwidth.
What architecture is the AMD Radeon RX 7800 XT based on?
The AMD Radeon RX 7800 XT is based on the RDNA 3 architecture, launched in 2023.
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