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Barco MXRT-4700

  • K9306046
Graphics Processor
Lexa
Cores
512
TMUs
32
ROPs
16
Memory Size
4 GB
Memory Type
GDDR5
Bus Width
128 bit
Front GPU Chip
GPU Chip
GPU
I/O
I/O

Graphics Processor

GPU Name
Lexa
GPU Variant
Lexa XT
Architecture
GCN 4.0
Foundry
GlobalFoundries
Process Size
14 nm
Transistors
2,200 million
Density
21.4M / mm²
Die Size
103 mm²
Chip Package
FCBGA-769

Graphics Card

Release Date
Jun 12th, 2017
Generation
Radeon Pro Polaris
(WX x100)
Predecessor
Radeon Pro GCN
Successor
Radeon Pro Vega
Production
End-of-life
Bus Interface
PCIe 3.0 x8

Clock Speeds

Base Clock
925 MHz
Boost Clock
1219 MHz
Memory Clock
1500 MHz
6 Gbps effective

Memory

Memory Size
4 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
96.00 GB/s

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
19.50 GPixel/s
Texture Rate
39.01 GTexel/s
FP16 (half)
1,248 GFLOPS (1:1)
FP32 (float)
1,248 GFLOPS
FP64 (double)
78.02 GFLOPS (1:16)

Board Design

Slot Width
Single-slot
Length
168 mm
6.6 inches
Width
69 mm
60 mm
2.7 inches
2.4 inches
TDP
65 W
Suggested PSU
250 W
Outputs
1x DisplayPort 1.4a
2x mini-DisplayPort 1.4a
Power Connectors
None
Board Number
109-D09187-00B_02

Graphics Features

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.7

Lexa GPU Notes

Generation: Arctic Islands
Codename: Polaris 12
Old Codename: Treasure
Graphics/Compute: GFX8 (gfx804)
Display Core Engine: 11.2
Unified Video Decoder: 6.3
Video Compression Engine: 3.4
System DMA: 3.0.0
CLRX: GCN 1.2.0

Other retail boards based on this design (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
Barco MXRT-4700
925 MHz 1219 MHz 1500 MHz
Apr 26th, 2024 01:27 EDT change timezone

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